diff --git a/ts/smartrule.classes.smartrule.ts b/ts/smartrule.classes.smartrule.ts
index b721a18..4fecfb6 100644
--- a/ts/smartrule.classes.smartrule.ts
+++ b/ts/smartrule.classes.smartrule.ts
@@ -26,7 +26,7 @@ export class SmartRule<T> {
     };
 
     // lets run the checks
-    const runNextBatch = async (startPriority: number) => {
+    const runNextBatch = async (startPriority: number): Promise<void> => {
       const nextBatch = getNextParallelBatch(0);
       const outcomes: TTreeActionResult[] = [];
       for (const rule of nextBatch) {
@@ -51,7 +51,9 @@ export class SmartRule<T> {
       }
 
       if (startPriority < this.rules[this.rules.length-1].priority) {
-        runNextBatch(startPriority++);
+        await runNextBatch(startPriority++);
+      } else {
+        return;
       }
     };