diff --git a/src/com/jwetherell/algorithms/mathematics/Division.java b/src/com/jwetherell/algorithms/mathematics/Division.java
index c133f741..51d6ce46 100644
--- a/src/com/jwetherell/algorithms/mathematics/Division.java
+++ b/src/com/jwetherell/algorithms/mathematics/Division.java
@@ -3,6 +3,9 @@
 public class Division {
 
     public static final long division(int a, int b) {
+        if( b == 0 ){
+            throw new IllegalArgumentException("Cannot divide by zero!");
+        }
         long result = ((long) a) / ((long) b);
         return result;
     }