diff --git a/bubbleSort.py b/bubbleSort.py
index f421d0c..55f7728 100644
--- a/bubbleSort.py
+++ b/bubbleSort.py
@@ -1,9 +1,13 @@
 def bubble_sort(arr):
     n = len(arr)
     for i in range(n):
+        swapped=False
         for j in range(0, n - i - 1):
             if arr[j] > arr[j + 1]:
                 arr[j], arr[j + 1] = arr[j + 1], arr[j]
+                swapped=True
+        if not swapped:
+            break
     return arr
 
 print(bubble_sort([64, 34, 25, 12, 22, 11, 90]))  # Expected: [11, 12, 22, 25, 34, 64, 90]