diff --git a/quic/core/quic_framer_test.cc b/quic/core/quic_framer_test.cc
index aa5add5..5edb288 100644
--- a/quic/core/quic_framer_test.cc
+++ b/quic/core/quic_framer_test.cc
@@ -13191,6 +13191,8 @@
 
   EXPECT_FALSE(framer_.ProcessPacket(*encrypted));
   EXPECT_EQ(QUIC_INVALID_PACKET_HEADER, framer_.error());
+  EXPECT_EQ("Invalid public header type for expected version.",
+            framer_.detailed_error());
   CheckFramingBoundaries(fragments, QUIC_INVALID_PACKET_HEADER);
 }
 
@@ -13226,6 +13228,8 @@
 
   EXPECT_FALSE(framer_.ProcessPacket(*encrypted));
   EXPECT_EQ(QUIC_INVALID_PACKET_HEADER, framer_.error());
+  EXPECT_EQ("Invalid public header type for expected version.",
+            framer_.detailed_error());
   CheckFramingBoundaries(packet, QUIC_INVALID_PACKET_HEADER);
 }