diff --git a/lemmy-docker.nix b/lemmy-docker.nix
index 4e432e0..94ac883 100644
--- a/lemmy-docker.nix
+++ b/lemmy-docker.nix
@@ -309,7 +309,7 @@ in {
         source-file = makeEnvFile {
           LEMMY_UI_LEMMY_INTERNAL_HOST = "lemmy:8536";
           LEMMY_UI_LEMMY_EXTERNAL_HOST = cfg.hostname;
-          LEMMY_UI_HTTPS = false;
+          LEMMY_UI_HTTPS = 0;
         };
         target-file = "/run/lemmy/lemmy-ui.env";
       };