diff --git a/web/pgadmin/tools/sqleditor/static/js/sqleditor.js b/web/pgadmin/tools/sqleditor/static/js/sqleditor.js
index e7e953dd..7b4da193 100644
--- a/web/pgadmin/tools/sqleditor/static/js/sqleditor.js
+++ b/web/pgadmin/tools/sqleditor/static/js/sqleditor.js
@@ -2349,7 +2349,7 @@ define('tools.querytool', [
             var explain_data_array = [],
               explain_data_json = null;
 
-            if(data.types[0].typname === 'json') {
+            if(data.types[0] && data.types[0].typname === 'json') {
               /* json is sent as text, parse it */
               explain_data_json = JSON.parse(data.result[0]);