diff --git a/lidarr.yaml b/lidarr.yaml
index 0976bf7..22c0f19 100644
--- a/lidarr.yaml
+++ b/lidarr.yaml
@@ -11,7 +11,7 @@
     environment:
       PUID: 10011
       PGID: 10002
-      UMASK: 9002
+      UMASK: 0002
       TZ: "Etc/UTC"
     healthcheck:
       test: "curl -f http://localhost:6595"
diff --git a/prowlarr.yaml b/prowlarr.yaml
index 6ba285d..5b00ec6 100644
--- a/prowlarr.yaml
+++ b/prowlarr.yaml
@@ -11,7 +11,7 @@
       environment:
         PUID: 10009
         PGID: 10009
-        UMASK: 077
+        UMASK: 0077
         TZ: "Etc/UTC"
       healthcheck:
         test: "curl -f http://localhost:9696"
diff --git a/sabnzbd.yaml b/sabnzbd.yaml
index 24936f3..c393b1d 100644
--- a/sabnzbd.yaml
+++ b/sabnzbd.yaml
@@ -11,7 +11,7 @@
     environment:
       PUID: 10005
       PGID: 10002
-      UMASK: 002
+      UMASK: 0002
       TZ: "Etc/UTC"
     healthcheck:
       test: "curl -f http:///localhost:8080"
diff --git a/transmission.yaml b/transmission.yaml
index fee6092..4860168 100644
--- a/transmission.yaml
+++ b/transmission.yaml
@@ -11,7 +11,7 @@
     environment:
       PUID: 10006
       PGID: 10002
-      UMASK: 002
+      UMASK: 0002
       TZ: "Etc/UTC"
     healthcheck:
       test: "curl -f http://localhost:9091"