diff --git a/lib/Frontend/PCHWriterStmt.cpp b/lib/Frontend/PCHWriterStmt.cpp
index afed7fa..78a56db 100644
--- a/lib/Frontend/PCHWriterStmt.cpp
+++ b/lib/Frontend/PCHWriterStmt.cpp
@@ -384,7 +384,7 @@
   VisitExpr(E);
   Record.push_back(E->isSizeOf());
   if (E->isArgumentType())
-    Writer.AddTypeRef(E->getArgumentType(), Record);
+    Writer.AddDeclaratorInfo(E->getArgumentTypeInfo(), Record);
   else {
     Record.push_back(0);
     Writer.WriteSubStmt(E->getArgumentExpr());