diff --git a/tools/test/bin/atomix-gen-config b/tools/test/bin/atomix-gen-config
index e69f441..3521f2e 100755
--- a/tools/test/bin/atomix-gen-config
+++ b/tools/test/bin/atomix-gen-config
@@ -135,6 +135,7 @@
           'type': 'raft',
           'partitions': 1,
           'partitionSize': len(nodes),
+          'flushOnCommit': False,
           'members': [node['id'] for node in nodes]
       },
       'partitionGroups': {
@@ -142,6 +143,7 @@
               'type': 'raft',
               'partitions': num_partitions,
               'partitionSize': partition_size,
+              'flushOnCommit': False,
               'members': [node['id'] for node in nodes]
           }
       }