diff --git a/chroma_core/models/filesystem.py b/chroma_core/models/filesystem.py
index 281e531655..a0544343df 100644
--- a/chroma_core/models/filesystem.py
+++ b/chroma_core/models/filesystem.py
@@ -113,7 +113,7 @@ def get_server_groups(self):
         """Return: Array(Array(ManagedHost)) """
         from chroma_core.lib.graphql import graphql_query
 
-        query = '{ getFsClusterHosts(fsName: "{}") }'.format(self.name)
+        query = '{{ getFsClusterHosts(fsName: "{}") }}'.format(self.name)
 
         return graphql_query(query)["getFsClusterHosts"]