diff --git a/compose.yaml b/compose.yaml
index 9f33815..cb3eb4e 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -14,6 +14,7 @@ services:
       RMM_SESSION_SECRET: "${RMM_SESSION_SECRET:-dev-session-secret-change-me}"
       RMM_COOKIE_SECURE: "${RMM_COOKIE_SECURE:-false}"
       RMM_TUNNEL_HTTP_HOST: tunnel-ssh
+      RMM_TUNNEL_KEY_PATH: "${RMM_TUNNEL_KEY_PATH:-./secrets/router_tunnel_key.pub}"
     ports:
       - "${RMM_HTTP_BIND_IP:-0.0.0.0}:${RMM_HTTP_PORT:-18080}:8080"
     volumes:
@@ -28,7 +29,7 @@ services:
       - "${RMM_TUNNEL_BIND_IP:-0.0.0.0}:22000-22099:22000-22099"
     volumes:
       - tunnel-data:/data
-      - ./secrets/router_tunnel_key.pub:/bootstrap/router_tunnel_key.pub:ro
+      - "${RMM_TUNNEL_KEY_PATH}:/bootstrap/router_tunnel_key.pub:ro"
     restart: unless-stopped
 
 volumes: