diff --git a/src/main/java/com/bytelegend/IntegerOverflow.java b/src/main/java/com/bytelegend/IntegerOverflow.java
index b45bc3d..45d82c7 100644
--- a/src/main/java/com/bytelegend/IntegerOverflow.java
+++ b/src/main/java/com/bytelegend/IntegerOverflow.java
@@ -3,7 +3,7 @@
 public class IntegerOverflow {
     public static void main(String[] args) {
         int oneBillion = 1_000_000_000;
-        int i = 0;
+        long i = 0;
 
         i = i + oneBillion;
         System.out.println("i=" + i);