diff --git a/deps/chakrashim/core/lib/Runtime/Debug/TTSnapObjects.cpp b/deps/chakrashim/core/lib/Runtime/Debug/TTSnapObjects.cpp
index 29fa3d98e3f..73514409509 100644
--- a/deps/chakrashim/core/lib/Runtime/Debug/TTSnapObjects.cpp
+++ b/deps/chakrashim/core/lib/Runtime/Debug/TTSnapObjects.cpp
@@ -2163,7 +2163,7 @@ namespace TTD
 
             Js::CallInfo callInfo(static_cast<Js::CallFlags>(generatorInfo->arguments_callInfo_flags), generatorInfo->arguments_callInfo_count, false /*unusedBool*/);
 
-            Js::Arguments arguments(callInfo, (Js::Var*)argVals);
+            Js::Arguments arguments(callInfo, unsafe_write_barrier_cast<Js::Var*>(argVals));
 
             // TODO: BUGBUG - figure out how to determine what the prototype was.  Just use GetNull() for now
             Js::RecyclableObject* prototype = ctx->GetLibrary()->GetNull();