diff --git a/lab10/ArrayHeap.java b/lab10/ArrayHeap.java
index 2557a42..b1931db 100755
--- a/lab10/ArrayHeap.java
+++ b/lab10/ArrayHeap.java
@@ -256,7 +256,7 @@ public String toString() {
     /** Helper function to resize the backing array when necessary. */
     private void resize(int capacity) {
         Node[] temp = new ArrayHeap.Node[capacity];
-        for (int i = 1; i <= temp.length; i++) {
+        for (int i = 1; i < contents.length; i++) {
             temp[i] = contents[i];
         }
         contents = temp;