diff --git a/Driver/RewriteObjC.cpp b/Driver/RewriteObjC.cpp
index f135e04..614c309 100644
--- a/Driver/RewriteObjC.cpp
+++ b/Driver/RewriteObjC.cpp
@@ -882,7 +882,7 @@
   NameStr += "_";
   
   if (ObjCCategoryImplDecl *CID = 
-      dyn_cast<ObjCCategoryImplDecl>(OMD->getMethodContext())) {
+      dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) {
     NameStr += CID->getNameAsString();
     NameStr += "_";
   }