diff --git a/quic/core/quic_dispatcher_test.cc b/quic/core/quic_dispatcher_test.cc
index d589854..fe4fe40 100644
--- a/quic/core/quic_dispatcher_test.cc
+++ b/quic/core/quic_dispatcher_test.cc
@@ -937,7 +937,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, true);
-  SetQuicReloadableFlag(quic_enable_version_48, true);
+  SetQuicReloadableFlag(quic_enable_version_48_2, true);
   SetQuicReloadableFlag(quic_enable_version_99, true);
 
   VerifyVersionNotSupported(QuicVersionReservedForNegotiation());
@@ -947,12 +947,12 @@
   VerifyVersionSupported(QuicVersionMax());
 
   // Turn off version 48.
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   VerifyVersionNotSupported(
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_48));
 
   // Turn on version 48.
-  SetQuicReloadableFlag(quic_enable_version_48, true);
+  SetQuicReloadableFlag(quic_enable_version_48_2, true);
   VerifyVersionSupported(
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_48));
 
diff --git a/quic/core/quic_version_manager.cc b/quic/core/quic_version_manager.cc
index 49aee67..7c658f7 100644
--- a/quic/core/quic_version_manager.cc
+++ b/quic/core/quic_version_manager.cc
@@ -15,7 +15,7 @@
 QuicVersionManager::QuicVersionManager(
     ParsedQuicVersionVector supported_versions)
     : enable_version_99_(GetQuicReloadableFlag(quic_enable_version_99)),
-      enable_version_48_(GetQuicReloadableFlag(quic_enable_version_48)),
+      enable_version_48_(GetQuicReloadableFlag(quic_enable_version_48_2)),
       enable_version_47_(GetQuicReloadableFlag(quic_enable_version_47)),
       disable_version_44_(GetQuicReloadableFlag(quic_disable_version_44)),
       disable_version_39_(GetQuicReloadableFlag(quic_disable_version_39)),
@@ -39,13 +39,13 @@
 
 void QuicVersionManager::MaybeRefilterSupportedVersions() {
   if (enable_version_99_ != GetQuicReloadableFlag(quic_enable_version_99) ||
-      enable_version_48_ != GetQuicReloadableFlag(quic_enable_version_48) ||
+      enable_version_48_ != GetQuicReloadableFlag(quic_enable_version_48_2) ||
       enable_version_47_ != GetQuicReloadableFlag(quic_enable_version_47) ||
       disable_version_44_ != GetQuicReloadableFlag(quic_disable_version_44) ||
       disable_version_39_ != GetQuicReloadableFlag(quic_disable_version_39) ||
       enable_tls_ != GetQuicFlag(FLAGS_quic_supports_tls_handshake)) {
     enable_version_99_ = GetQuicReloadableFlag(quic_enable_version_99);
-    enable_version_48_ = GetQuicReloadableFlag(quic_enable_version_48);
+    enable_version_48_ = GetQuicReloadableFlag(quic_enable_version_48_2);
     enable_version_47_ = GetQuicReloadableFlag(quic_enable_version_47);
     disable_version_44_ = GetQuicReloadableFlag(quic_disable_version_44);
     disable_version_39_ = GetQuicReloadableFlag(quic_disable_version_39);
diff --git a/quic/core/quic_version_manager.h b/quic/core/quic_version_manager.h
index a6b7bcb..b442a4c 100644
--- a/quic/core/quic_version_manager.h
+++ b/quic/core/quic_version_manager.h
@@ -40,7 +40,7 @@
  private:
   // quic_enable_version_99 flag
   bool enable_version_99_;
-  // quic_enable_version_48 flag
+  // quic_enable_version_48_2 flag
   bool enable_version_48_;
   // quic_enable_version_47 flag
   bool enable_version_47_;
diff --git a/quic/core/quic_version_manager_test.cc b/quic/core/quic_version_manager_test.cc
index 886c0d3..645f778 100644
--- a/quic/core/quic_version_manager_test.cc
+++ b/quic/core/quic_version_manager_test.cc
@@ -19,7 +19,7 @@
   static_assert(QUIC_ARRAYSIZE(kSupportedTransportVersions) == 7u,
                 "Supported versions out of sync");
   SetQuicReloadableFlag(quic_enable_version_99, false);
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   SetQuicReloadableFlag(quic_enable_version_47, false);
   SetQuicReloadableFlag(quic_disable_version_44, true);
   SetQuicReloadableFlag(quic_disable_version_39, true);
@@ -47,7 +47,7 @@
                                         QUIC_VERSION_39}),
             manager.GetSupportedTransportVersions());
 
-  SetQuicReloadableFlag(quic_enable_version_48, true);
+  SetQuicReloadableFlag(quic_enable_version_48_2, true);
   EXPECT_EQ(QuicTransportVersionVector({QUIC_VERSION_48, QUIC_VERSION_47,
                                         QUIC_VERSION_46, QUIC_VERSION_44,
                                         QUIC_VERSION_43, QUIC_VERSION_39}),
diff --git a/quic/core/quic_versions.cc b/quic/core/quic_versions.cc
index 3fd870f..d4f4b42 100644
--- a/quic/core/quic_versions.cc
+++ b/quic/core/quic_versions.cc
@@ -259,7 +259,7 @@
         filtered_versions.push_back(version);
       }
     } else if (version.transport_version == QUIC_VERSION_48) {
-      if (GetQuicReloadableFlag(quic_enable_version_48)) {
+      if (GetQuicReloadableFlag(quic_enable_version_48_2)) {
         filtered_versions.push_back(version);
       }
     } else if (version.transport_version == QUIC_VERSION_47) {
@@ -488,7 +488,7 @@
     SetQuicReloadableFlag(quic_enable_version_99, true);
   }
   if (parsed_version.transport_version == QUIC_VERSION_48) {
-    SetQuicReloadableFlag(quic_enable_version_48, true);
+    SetQuicReloadableFlag(quic_enable_version_48_2, true);
   }
   if (parsed_version.transport_version == QUIC_VERSION_47) {
     SetQuicReloadableFlag(quic_enable_version_47, true);
diff --git a/quic/core/quic_versions_test.cc b/quic/core/quic_versions_test.cc
index 016ae5f..f6223e7 100644
--- a/quic/core/quic_versions_test.cc
+++ b/quic/core/quic_versions_test.cc
@@ -310,7 +310,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, true);
-  SetQuicReloadableFlag(quic_enable_version_48, true);
+  SetQuicReloadableFlag(quic_enable_version_48_2, true);
   SetQuicReloadableFlag(quic_enable_version_99, true);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
@@ -334,7 +334,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, true);
-  SetQuicReloadableFlag(quic_enable_version_48, true);
+  SetQuicReloadableFlag(quic_enable_version_48_2, true);
   SetQuicReloadableFlag(quic_enable_version_99, false);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
@@ -358,7 +358,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, true);
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   SetQuicReloadableFlag(quic_enable_version_99, false);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
@@ -382,7 +382,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, false);
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   SetQuicReloadableFlag(quic_enable_version_99, false);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
@@ -405,7 +405,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, true);
   SetQuicReloadableFlag(quic_enable_version_47, false);
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   SetQuicReloadableFlag(quic_enable_version_99, false);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
@@ -428,7 +428,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, true);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, false);
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   SetQuicReloadableFlag(quic_enable_version_99, false);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
@@ -556,7 +556,7 @@
   SetQuicReloadableFlag(quic_disable_version_39, false);
   SetQuicReloadableFlag(quic_disable_version_44, false);
   SetQuicReloadableFlag(quic_enable_version_47, false);
-  SetQuicReloadableFlag(quic_enable_version_48, false);
+  SetQuicReloadableFlag(quic_enable_version_48_2, false);
   SetQuicReloadableFlag(quic_enable_version_99, false);
 
   {
@@ -564,7 +564,7 @@
     QuicEnableVersion(parsed_version_q047);
     EXPECT_FALSE(GetQuicFlag(FLAGS_quic_supports_tls_handshake));
     EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_47));
-    EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_48));
+    EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_48_2));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_99));
   }
 
@@ -573,7 +573,7 @@
     QuicEnableVersion(parsed_version_t047);
     EXPECT_TRUE(GetQuicFlag(FLAGS_quic_supports_tls_handshake));
     EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_47));
-    EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_48));
+    EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_48_2));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_99));
   }
 
@@ -582,7 +582,7 @@
     QuicEnableVersion(parsed_version_q048);
     EXPECT_FALSE(GetQuicFlag(FLAGS_quic_supports_tls_handshake));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_47));
-    EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_48));
+    EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_48_2));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_99));
   }
 
@@ -591,7 +591,7 @@
     QuicEnableVersion(parsed_version_t048);
     EXPECT_TRUE(GetQuicFlag(FLAGS_quic_supports_tls_handshake));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_47));
-    EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_48));
+    EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_48_2));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_99));
   }
 
@@ -600,7 +600,7 @@
     QuicEnableVersion(parsed_version_t099);
     EXPECT_TRUE(GetQuicFlag(FLAGS_quic_supports_tls_handshake));
     EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_47));
-    EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_48));
+    EXPECT_FALSE(GetQuicReloadableFlag(quic_enable_version_48_2));
     EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_99));
   }
 }