diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index 282c5082ed65..3579e2c6f13d 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -266,7 +266,7 @@ def IBOutlet : InheritableAttr {
 
 def IBOutletCollection : InheritableAttr {
   let Spellings = ["iboutletcollection"];
-  let Args = [TypeArgument<"Interface">];
+  let Args = [TypeArgument<"InterFace">];
 }
 
 def Malloc : InheritableAttr {
diff --git a/clang/tools/libclang/CIndex.cpp b/clang/tools/libclang/CIndex.cpp
index 21251e09b10a..74f90790c748 100644
--- a/clang/tools/libclang/CIndex.cpp
+++ b/clang/tools/libclang/CIndex.cpp
@@ -4916,7 +4916,7 @@ CXType clang_getIBOutletCollectionType(CXCursor C) {
   IBOutletCollectionAttr *A =
     cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
   
-  return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));  
+  return cxtype::MakeCXType(A->getInterFace(), cxcursor::getCursorTU(C));  
 }
 } // end: extern "C"