diff --git a/DataStructures/SearchEngine.h b/DataStructures/SearchEngine.h
index 9e70bd104..e303f3433 100644
--- a/DataStructures/SearchEngine.h
+++ b/DataStructures/SearchEngine.h
@@ -296,11 +296,11 @@ public:
     }
 
     inline std::string &GetNameForNameID(const NodeID nameID) const {
-        return (nameID >= names->size() ? _names->at(0) : _names->at(nameID) );
+        return (nameID >= _names->size() ? _names->at(0) : _names->at(nameID) );
     }
 
     inline std::string GetEscapedNameForNameID(const NodeID nameID) const {
-        return (nameID >= names->size() ? _names->at(0) : replaceAll(_names->at(nameID), "\"", "\\\"") );
+        return (nameID >= _names->size() ? _names->at(0) : replaceAll(_names->at(nameID), "\"", "\\\"") );
     }
 
     inline short GetTypeOfEdgeForOriginDestinationNodeID(NodeID s, NodeID t) const {