diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index d9b3909..799a207 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -570,7 +570,7 @@
 
   // Enter function-declaration scope, limiting any declarators to the
   // function prototype scope, including parameter declarators.
-  ParseScope PrototypeScope(this, Scope::FnScope|Scope::DeclScope);
+  ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope|Scope::DeclScope);
 
   // Read all the argument declarations.
   while (isDeclarationSpecifier()) {