diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp
index 08a6065..b5fafd6 100644
--- a/lib/Analysis/ConstantFolding.cpp
+++ b/lib/Analysis/ConstantFolding.cpp
@@ -1399,7 +1399,7 @@
             ConstantInt::get(F->getContext(), Res),
             ConstantInt::get(Type::getInt1Ty(F->getContext()), Overflow)
           };
-          return ConstantStruct::get(F->getContext(), Ops, 2, false);
+          return ConstantStruct::get(cast<StructType>(F->getReturnType()), Ops);
         }
         }
       }