diff --git a/templates/alertalerta.py b/templates/alertalerta.py
index 7db30a24b23162a6a90e11ad00f053d2f93fa099..6d43855dfb664bf4bf3de247208ad9a8aa33c97e 100755
--- a/templates/alertalerta.py
+++ b/templates/alertalerta.py
@@ -42,15 +42,15 @@ class Alerta:
             'origin': self.args.host,
             'timeout': 86400,
             'environment': self.args.environment,
-            'resource': undefined-%s % time.time(),
-            'event': Exception,
+            'resource': 'undefined-%s' % time.time(),
+            'event': 'Exception',
             'tags': ['environment:%s' % self.args.environment],
-            'group': Application,
-            'severity': critical,
+            'group': 'Application',
+            'severity': 'critical',
             'service': ['www.example.com'],
-            'text': ,
-            'value': ,
-            'rawData': ,
+            'text': '',
+            'value': '',
+            'rawData': '',
         }
         return values