diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp
index 83923a2b8e3..41b3ebcc6db 100644
--- a/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/lib/ExecutionEngine/JIT/JIT.cpp
@@ -446,6 +446,7 @@ GenericValue JIT::runFunction(Function *F,
 
   CallInst *TheCall = CallInst::Create(F, Args.begin(), Args.end(),
                                        "", StubBB);
+  TheCall->setCallingConv(F->getCallingConv());
   TheCall->setTailCall();
   if (TheCall->getType() != Type::VoidTy)
     ReturnInst::Create(TheCall, StubBB);    // Return result of the call.