diff --git a/net/compose.yaml b/net/compose.yaml
index d2a3dd7..390bb1e 100644
--- a/net/compose.yaml
+++ b/net/compose.yaml
@@ -315,7 +315,7 @@ services:
       - NET_ADMIN
       - SYS_MODULE
     volumes:
-      - tailscale-state:/var/lib/tailscale
+      - tailscale_state:/var/lib/tailscale
       - /dev/net/tun:/dev/net/tun
     environment:
       - TS_AUTHKEY=${TAILSCALE_AUTHKEY}
@@ -337,7 +337,7 @@ volumes:
     name: ${NET_COMPOSE_PROJECT_NAME}_mailpit_data
   authelia_config:
     name: ${NET_COMPOSE_PROJECT_NAME}_authelia_config
-  tailscale-state:
+  tailscale_state:
     name: ${NET_COMPOSE_PROJECT_NAME}_tailscale_state
 
 networks: