diff --git a/app.py b/app.py
index fee71a0..19d3b6d 100644
--- a/app.py
+++ b/app.py
@@ -73,6 +73,8 @@ def divide_numbers():
         
         
         # Perform division
+        if denominator == 0:
+            raise ValueError('Division by zero is not allowed')
         result = numerator / denominator
         
         # Log the operation