diff --git a/modules/server/containers/defs/traefik.nix b/modules/server/containers/defs/traefik.nix
index a4c81ae..63e21ee 100644
--- a/modules/server/containers/defs/traefik.nix
+++ b/modules/server/containers/defs/traefik.nix
@@ -46,7 +46,7 @@ in {
           "--entrypoints.web-secure.proxyprotocol.trustedips=127.0.0.1/32,192.168.1.1/16,10.10.0.0/16"
           "--certificatesresolvers.default.acme.email=acme@${serverCfg.hostDomain}"
           "--certificatesresolvers.default.acme.storage=/acme.json"
-          "--certificatesresolvers.default.acme.dnschallenge.provider=${containerCfg.extra}"
+          "--certificatesresolvers.default.acme.dnschallenge.provider=${containerCfg.extra.provider}"
           "--certificatesresolvers.default.acme.domains[0].main=*.${serverCfg.hostDomain}"
           "--certificatesresolvers.default.acme.domains[0].sans=${serverCfg.hostDomain}"
         ];