diff --git a/modules/sneedstr.nix b/modules/sneedstr.nix
index 7cd3b6a..be8843a 100644
--- a/modules/sneedstr.nix
+++ b/modules/sneedstr.nix
@@ -73,7 +73,7 @@ in {
           environment = {
             DATABASE_URL = "${DB_PATH}/sneedstr.db";
             ADMIN_PUBKEY = cfg.adminPubkey;
-            CONFIG_ENABLE_AUTH = cfg.enableAuth;
+            CONFIG_ENABLE_AUTH = "${cfg.enableAuth}";
             CONFIG_RELAY_URL = cfg.relayUrl;
           };
           startLimitBurst = 1;