diff --git a/lib/Interpreter/CppInterOpInterpreter.h b/lib/Interpreter/CppInterOpInterpreter.h
index b5b8e7e96..cdac4f768 100644
--- a/lib/Interpreter/CppInterOpInterpreter.h
+++ b/lib/Interpreter/CppInterOpInterpreter.h
@@ -167,7 +167,7 @@ class Interpreter {
     return inner->getCompilerInstance();
   }
 
-  const llvm::orc::LLJIT* getExecutionEngine() const {
+  llvm::orc::LLJIT* getExecutionEngine() const {
     return compat::getExecutionEngine(*inner);
   }