diff --git a/geth-mainnet.yml b/geth-mainnet.yml
index f4fab80b..ea82722b 100644
--- a/geth-mainnet.yml
+++ b/geth-mainnet.yml
@@ -44,4 +44,7 @@ services:
       - "traefik.http.routers.mainnet.entrypoints=websecure"                                          
       - "traefik.http.routers.mainnet.tls.certresolver=myresolver"                                    
       - "traefik.http.routers.mainnet.rule=Host(`$DOMAIN`) && PathPrefix(`/mainnet`)"                 
-      - "traefik.http.routers.mainnet.middlewares=mainnet-stripprefix, ipwhitelist"
\ No newline at end of file
+      - "traefik.http.routers.mainnet.middlewares=mainnet-stripprefix, ipwhitelist"
+
+volumes:
+    geth-mainnet_data:
\ No newline at end of file