diff --git a/web/pgadmin/static/js/backgrid.pgadmin.js b/web/pgadmin/static/js/backgrid.pgadmin.js
index 48ee98cd6..87ef146cd 100644
--- a/web/pgadmin/static/js/backgrid.pgadmin.js
+++ b/web/pgadmin/static/js/backgrid.pgadmin.js
@@ -119,6 +119,7 @@
         // extract the values from the models
 
         var l = func(left, attr), r = func(right, attr), t;
+        if (_.isUndefined(l) || _.isUndefined(r)) return;
 
         var types = ['number-cell', 'integer-cell'];
         if (_.include(types, type)) {