diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..119031e
Binary files /dev/null and b/.DS_Store differ
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0548357..6449aab 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,4 +3,4 @@
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
-</project>
\ No newline at end of file
+</project>
diff --git a/src/algorithms/sorting/bubble_sort/BubbleSort.java b/src/algorithms/sorting/bubble_sort/BubbleSort.java
index d6fc4fc..b3e6602 100644
--- a/src/algorithms/sorting/bubble_sort/BubbleSort.java
+++ b/src/algorithms/sorting/bubble_sort/BubbleSort.java
@@ -4,7 +4,7 @@
 
 public class BubbleSort {
     public int[] bubbleSort(int[] array) {
-        for (int i = 0; i < array.length; i++) {
+        for (int i = 0; i < array.length - 1; i++) {
             for (int j = 0; j < array.length-1; j++) {
                 if (array[j] > array[j + 1]) {
                     int temp = array[j];