diff --git a/hydra_flash/conf/server/mb.yaml b/hydra_flash/conf/server/mb.yaml
index be4a2f456f4012d91a846a1cbf0292e76e2d043f..61f78d2fb12182a278cd0c0033d28e7198eb594e 100644
--- a/hydra_flash/conf/server/mb.yaml
+++ b/hydra_flash/conf/server/mb.yaml
@@ -5,7 +5,7 @@ defaults:
 show: false
 save: true
 preprocess:
-  path: ${oc.env:TEMPDIR}
+  path: ${oc.env:TMPDIR}
 
 gpus: [0]
 hydra: