diff --git a/lectures/11-sorting/code/src/com/kunal/Main.java b/lectures/11-sorting/code/src/com/kunal/Main.java
index 2bbb2b761..56a17b2c5 100644
--- a/lectures/11-sorting/code/src/com/kunal/Main.java
+++ b/lectures/11-sorting/code/src/com/kunal/Main.java
@@ -50,7 +50,7 @@ static int getMaxIndex(int[] arr, int start, int end) {
     static void bubble(int[] arr) {
         boolean swapped;
         // run the steps n-1 times
-        for (int i = 0; i < arr.length; i++) {
+        for (int i = 0; i < arr.length - 1; i++) {
             swapped = false;
             // for each step, max item will come at the last respective index
             for (int j = 1; j < arr.length - i; j++) {