diff --git a/systems/palatine-hill/docker/nextcloud.nix b/systems/palatine-hill/docker/nextcloud.nix
index 8f85f81..11229ef 100644
--- a/systems/palatine-hill/docker/nextcloud.nix
+++ b/systems/palatine-hill/docker/nextcloud.nix
@@ -66,7 +66,7 @@ in
         extra_params = "--o:ssl.enable=false --o:ssl.termination=true";
         server_name = "collabora.nayeonie.com";
         domain = "nextcloud\.alicehuston\.xyz|nextcloud\.nayeonie\.com";
-        DONT_GEN_SSL_CERT = 1;
+        DONT_GEN_SSL_CERT = "1";
       };
       environmentFiles = [
         config.sops.secrets."docker/collabora".path