diff --git a/web/app/sketcher/constr/AlgNumSystem.js b/web/app/sketcher/constr/AlgNumSystem.js
index 30c53d0b..a2f42983 100644
--- a/web/app/sketcher/constr/AlgNumSystem.js
+++ b/web/app/sketcher/constr/AlgNumSystem.js
@@ -270,7 +270,7 @@ export class AlgNumSubSystem {
                 });
               }
             }
-            if (transaction) {
+            if (transaction && transaction.functionList.length !== 0) {
               transaction();
               requirePass = true;
             }