diff --git a/docs/gitbook/bull/patterns/custom-backoff-strategy.md b/docs/gitbook/bull/patterns/custom-backoff-strategy.md
index 3ebbbb396e..25b9f78679 100644
--- a/docs/gitbook/bull/patterns/custom-backoff-strategy.md
+++ b/docs/gitbook/bull/patterns/custom-backoff-strategy.md
@@ -46,7 +46,7 @@ const myQueue = new Queue("Server B", {
         console.error({ attemptsMade, err, options });
         return Math.round(
           Math.random() *
-            (Math.pow(2, Math.max(attemptsMade, truncate)) - 1) *
+            (Math.pow(2, Math.min(attemptsMade, truncate)) - 1) *
             delay
         );
       },