diff --git a/scouter/activities/redis.py b/scouter/activities/redis.py
index 5689472..b4ad730 100644
--- a/scouter/activities/redis.py
+++ b/scouter/activities/redis.py
@@ -24,7 +24,7 @@ class Redis(RedisBase):
         Gets the last data timestamp from redis.
         """
         metadata = input_data['metadata']
-        key = f"{input_data['workflow_name']}_{input_data['schedule_name']}"
+        key = f"last_data_timestamp_{input_data['workflow_name']}_{input_data['schedule_name']}"
 
         data_hold = self.get(key)