diff --git a/Template/Stack/rr_mtm.yml b/Template/Stack/rr_mtm.yml
index dd5eafd..3be9fd8 100644
--- a/Template/Stack/rr_mtm.yml
+++ b/Template/Stack/rr_mtm.yml
@@ -6,7 +6,7 @@ services:
     environment:
       - "PUID=${PUID}"
       - "PGID=${PGID}"
-      - UMASK=002
+      - "UMASK=${UMASK}"
       - "TZ=${TZ}"
     image: hotio/lidarr
     privileged: true
@@ -21,7 +21,7 @@ services:
     environment:
       - "PUID=${PUID}"
       - "PGID=${PGID}"
-      - UMASK=002
+      - "UMASK=${UMASK}"
       - "TZ=${TZ}"
     image: hotio/radarr
     privileged: true
@@ -36,7 +36,7 @@ services:
     environment:
       - "PUID=${PUID}"
       - "PGID=${PGID}"
-      - UMASK=002
+      - "UMASK=${UMASK}"
       - "TZ=${TZ}"
     image: hotio/sonarr
     privileged: true
diff --git a/Template/test.json b/Template/test.json
index 6ab0162..309370f 100644
--- a/Template/test.json
+++ b/Template/test.json
@@ -202,6 +202,11 @@
 					"label": "PGID",
 					"name": "PGID"
 				},
+        {
+					"default": "002",
+					"label": "UMASK",
+					"name": "UMASK"
+				},
 				{
 					"label": "TZ",
 					"name": "TZ"