diff --git a/specs/bubble-sort/bubble-sort.solution.test.js b/specs/bubble-sort/bubble-sort.solution.test.js
index 445aa000..4d247bca 100644
--- a/specs/bubble-sort/bubble-sort.solution.test.js
+++ b/specs/bubble-sort/bubble-sort.solution.test.js
@@ -25,6 +25,7 @@ function bubbleSort(nums) {
     }
   } while (swapped);
   // snapshot(nums);
+  return nums;
 }
 
 // unit tests