diff --git a/src/Type.cc b/src/Type.cc
index bd39b1e3fd..cce328d92b 100644
--- a/src/Type.cc
+++ b/src/Type.cc
@@ -1682,6 +1682,7 @@ bool EnumType::DoUnserialize(UnserialInfo* info)
 			return false;
 
 		names[name] = val;
+		delete [] name; // names[name] converts to std::string
 		}
 
 	return true;