diff --git a/quic/core/quic_error_codes.cc b/quic/core/quic_error_codes.cc
index 776ae8c..9916463 100644
--- a/quic/core/quic_error_codes.cc
+++ b/quic/core/quic_error_codes.cc
@@ -50,7 +50,7 @@
     RETURN_STRING_LITERAL(QUIC_STREAM_DECOMPRESSION_FAILED);
     RETURN_STRING_LITERAL(QUIC_STREAM_ENCODER_STREAM_ERROR);
     RETURN_STRING_LITERAL(QUIC_STREAM_DECODER_STREAM_ERROR);
-    RETURN_STRING_LITERAL(QUIC_STREAM_UNKNOWN_APPLICATION_ERRROR_CODE);
+    RETURN_STRING_LITERAL(QUIC_STREAM_UNKNOWN_APPLICATION_ERROR_CODE);
     RETURN_STRING_LITERAL(QUIC_STREAM_LAST_ERROR);
   }
   // Return a default value so that we return this when |error| doesn't match
@@ -677,7 +677,7 @@
     case QUIC_STREAM_DECODER_STREAM_ERROR:
       return static_cast<uint64_t>(
           QuicHttpQpackErrorCode::DECODER_STREAM_ERROR);
-    case QUIC_STREAM_UNKNOWN_APPLICATION_ERRROR_CODE:
+    case QUIC_STREAM_UNKNOWN_APPLICATION_ERROR_CODE:
       return static_cast<uint64_t>(QuicHttp3ErrorCode::INTERNAL_ERROR);
     case QUIC_STREAM_LAST_ERROR:
       return static_cast<uint64_t>(QuicHttp3ErrorCode::INTERNAL_ERROR);
@@ -729,7 +729,7 @@
     case static_cast<uint64_t>(QuicHttpQpackErrorCode::DECODER_STREAM_ERROR):
       return QUIC_STREAM_DECODER_STREAM_ERROR;
   }
-  return QUIC_STREAM_UNKNOWN_APPLICATION_ERRROR_CODE;
+  return QUIC_STREAM_UNKNOWN_APPLICATION_ERROR_CODE;
 }
 
 #undef RETURN_STRING_LITERAL  // undef for jumbo builds
diff --git a/quic/core/quic_error_codes.h b/quic/core/quic_error_codes.h
index 46e71b9..efdb5f3 100644
--- a/quic/core/quic_error_codes.h
+++ b/quic/core/quic_error_codes.h
@@ -102,7 +102,7 @@
   QUIC_STREAM_DECODER_STREAM_ERROR,
   // IETF RESET_FRAME application error code not matching any HTTP/3 or QPACK
   // error codes.
-  QUIC_STREAM_UNKNOWN_APPLICATION_ERRROR_CODE,
+  QUIC_STREAM_UNKNOWN_APPLICATION_ERROR_CODE,
   // No error. Used as bound while iterating.
   QUIC_STREAM_LAST_ERROR,
 };