diff --git a/conf/event-generator/expdef.yml b/conf/event-generator/expdef.yml
index 031da1e8793e468b84343d89eda8aa2e3c394d15..1f8120831f8d77d012f57d19dcb8bdba2e3423bd 100644
--- a/conf/event-generator/expdef.yml
+++ b/conf/event-generator/expdef.yml
@@ -1,6 +1,7 @@
 experiment:
   DATELIST: 20201001
-  MEMBERS: "m[1-2]"
+#  MEMBERS: "m[1-2]"
+  MEMBERS: "m1"
   CHUNKSIZEUNIT: hour
   CHUNKSIZE: 1
   NUMCHUNKS: 2