diff --git a/lib/Parse/MinimalAction.cpp b/lib/Parse/MinimalAction.cpp
index e99e96a..fcbf4ee 100644
--- a/lib/Parse/MinimalAction.cpp
+++ b/lib/Parse/MinimalAction.cpp
@@ -134,7 +134,7 @@
 }
 
 TemplateNameKind 
-MinimalAction::isTemplateName(IdentifierInfo &II, Scope *S,
+MinimalAction::isTemplateName(const IdentifierInfo &II, Scope *S,
                               TemplateTy &TemplateDecl,
                               const CXXScopeSpec *SS) {
   return TNK_Non_template;