diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 2f5cd62..d5dbb52 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -1643,7 +1643,7 @@
     std::string Str;
     if (ParseStringConstant(Str)) return true;
 
-    ID.ConstantVal = MDString::get(Str.data(), Str.data() + Str.size());
+    ID.ConstantVal = Context.getMDString(Str.data(), Str.data() + Str.size());
     return false;
   }
   case lltok::APSInt: