diff --git a/js/script_Luk_Q.js b/js/script_Luk_Q.js
index ece8730..2c582b6 100644
--- a/js/script_Luk_Q.js
+++ b/js/script_Luk_Q.js
@@ -369,7 +369,7 @@ $(document).ready(function() {
 			return false;
 		}
   		const sparqlGenerator = sparqljs.Generator;
-		jsonQuery = buildSQ(logicExprString);
+		jsonQuery = buildSQ(queryJson);
 		queryFields = [];
   		for (var i in jsonQuery.variables) {
 			if (jsonQuery.variables[i].value) {