diff --git a/ci/cases/weekly/C384C192_hybatmda.yaml b/ci/cases/weekly/C384C192_hybatmda.yaml
index a04ac84e82..6053f73124 100644
--- a/ci/cases/weekly/C384C192_hybatmda.yaml
+++ b/ci/cases/weekly/C384C192_hybatmda.yaml
@@ -14,6 +14,6 @@ arguments:
   idate: 2023040118
   edate: 2023040200
   nens: 2
-  interval: 6
+  interval: 24
   start: cold
   yaml: {{ HOMEgfs }}/ci/cases/yamls/gfs_defaults_ci.yaml