diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 566df35..0362e8a 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -1892,6 +1892,7 @@
   AddTypeRef(Context.getObjCClassType(), Record);
   AddTypeRef(Context.getRawCFConstantStringType(), Record);
   AddTypeRef(Context.getRawObjCFastEnumerationStateType(), Record);
+  AddTypeRef(Context.getFILEType(), Record);
   Stream.EmitRecord(pch::SPECIAL_TYPES, Record);
 
   // Write the record containing external, unnamed definitions.