diff --git a/clang/test/Sema/MicrosoftExtensions.c b/clang/test/Sema/MicrosoftExtensions.c
index 59bf54eb62fe..cb9fee9dc1d4 100644
--- a/clang/test/Sema/MicrosoftExtensions.c
+++ b/clang/test/Sema/MicrosoftExtensions.c
@@ -76,6 +76,6 @@ struct X0 {
   enum E1 : seventeen;
 };
 
-enum : long {  // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}}
+enum : long long {  // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}}
   SomeValue = 0x100000000
 };
diff --git a/clang/test/SemaCXX/MicrosoftExtensions.cpp b/clang/test/SemaCXX/MicrosoftExtensions.cpp
index 3592e2760aec..30ad4d0482f6 100644
--- a/clang/test/SemaCXX/MicrosoftExtensions.cpp
+++ b/clang/test/SemaCXX/MicrosoftExtensions.cpp
@@ -119,6 +119,6 @@ struct X0 {
   enum E1 : seventeen;
 };
 
-enum : long {  // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}}
+enum : long long {  // expected-warning{{enumeration types with a fixed underlying type are a Microsoft extension}}
   SomeValue = 0x100000000
 };