diff --git a/hosts/modules/kafka-mounts.nix b/hosts/modules/kafka-mounts.nix
index 7a8c2ff..24f4842 100644
--- a/hosts/modules/kafka-mounts.nix
+++ b/hosts/modules/kafka-mounts.nix
@@ -2,7 +2,13 @@
 let
   smbCommon = {
     fsType = "cifs";
-    options = [ "credentials=/etc/nixos/smb-secrets,uid=1000,gid=100" ];
+    options = [
+      "credentials=/etc/nixos/smb-secrets"
+      "uid=1000"
+      "gid=100"
+      "file_mode=0664"
+      "dir_mode=0775"
+      ];
   };
   mounts = {
     "/mnt/kafka/archive"   = "//kafka.local/archive";