diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 7bcd205..41e05d5 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -2865,7 +2865,7 @@
   case DeclSpec::TST_typename:
   case DeclSpec::TST_typeofType:
   case DeclSpec::TST_decltype:
-  case DeclSpec::TST_underlying_type: {
+  case DeclSpec::TST_underlyingType: {
     // Grab the type from the parser.
     TypeSourceInfo *TSI = 0;
     QualType T = S.GetTypeFromParser(DS.getRepAsType(), &TSI);