diff --git a/nixos/modules/services/misc/mautrix-telegram.nix b/nixos/modules/services/misc/mautrix-telegram.nix
index 3b070b873b04..794c4dd9ddcd 100644
--- a/nixos/modules/services/misc/mautrix-telegram.nix
+++ b/nixos/modules/services/misc/mautrix-telegram.nix
@@ -145,7 +145,7 @@ in {
             --config='${settingsFile}' \
             --registration='${registrationFile}'
         fi
-
+      '' + lib.optionalString (pkgs.mautrix-telegram ? alembic) ''
         # run automatic database init and migration scripts
         ${pkgs.mautrix-telegram.alembic}/bin/alembic -x config='${settingsFile}' upgrade head
       '';