diff --git a/redash/query_runner/cass.py b/redash/query_runner/cass.py
index f00bff92a5..08f9ce55eb 100644
--- a/redash/query_runner/cass.py
+++ b/redash/query_runner/cass.py
@@ -15,7 +15,7 @@
 
 
 class Cassandra(BaseQueryRunner):
-    noop_query = "SELECT * FROM system"
+    noop_query = "SELECT * FROM system.compactions_in_progress"
 
     @classmethod
     def enabled(cls):