diff --git a/web.py b/web.py
index 1bf2c48..973b554 100644
--- a/web.py
+++ b/web.py
@@ -39,6 +39,8 @@ def block(hash):
     for eachBlock in data:
         if eachBlock['hash'] == hash:
             return render_template('blockdata.html', data=eachBlock)
+        else:
+            return "No block found!"
 
 # Run flask app
 if __name__ == '__main__':