diff --git a/etc/examples/5-complex-model/config-sites.json b/etc/examples/5-complex-model/config-sites.json
index 40ac7f7bf71f38c257f6a606dd21e1448510cf49..5ead4a5a402768b2a7009dd29f47027158d940f4 100644
--- a/etc/examples/5-complex-model/config-sites.json
+++ b/etc/examples/5-complex-model/config-sites.json
@@ -3,6 +3,7 @@
     "imts": ["SA1P0", "SA2P0"]
   },
   "output": {
-    "directory": "curves-sites"
+    "directory": "curves-sites",
+    "flushLimit": 1
   }
 }