diff --git a/lib/ExecutionEngine/JIT/JITDebugRegisterer.cpp b/lib/ExecutionEngine/JIT/JITDebugRegisterer.cpp
index 16d32598d3b..e71c20b89fd 100644
--- a/lib/ExecutionEngine/JIT/JITDebugRegisterer.cpp
+++ b/lib/ExecutionEngine/JIT/JITDebugRegisterer.cpp
@@ -142,7 +142,7 @@ void JITDebugRegisterer::RegisterFunction(const Function *F, DebugInfo &I) {
 
   // Add a mapping from F to the entry and buffer, so we can delete this
   // info later.
-  FnMap[F] = std::make_pair<std::string, jit_code_entry*>(Buffer, JITCodeEntry);
+  FnMap[F] = std::make_pair(Buffer, JITCodeEntry);
 
   // Acquire the lock and do the registration.
   {