diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index d1b40be..a5fdb87 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -112,6 +112,8 @@
       IDecl->setLocation(AtInterfaceLoc);
       IDecl->setForwardDecl(false);
       IDecl->setClassLoc(ClassLoc);
+      if (AttrList)
+        ProcessDeclAttributeList(TUScope, IDecl, AttrList);
     }
   } else {
     IDecl = ObjCInterfaceDecl::Create(Context, CurContext, AtInterfaceLoc,