diff --git a/web/pgadmin/browser/static/js/datamodel.js b/web/pgadmin/browser/static/js/datamodel.js
index 514c40392..8a0288a99 100644
--- a/web/pgadmin/browser/static/js/datamodel.js
+++ b/web/pgadmin/browser/static/js/datamodel.js
@@ -367,7 +367,8 @@ define([
             return;
           }
           attrs[k] = v;
-          if (_.isEqual(self.origSessAttrs[k], v)) {
+          /* If the orig value was null and new one is empty string, then its a "no change" */
+          if (_.isEqual(self.origSessAttrs[k], v) || (self.origSessAttrs[k] === null && v === '')) {
             delete self.sessAttrs[k];
           } else {
             self.sessAttrs[k] = v;