diff --git a/nixos/modules/services/web-apps/tt-rss.nix b/nixos/modules/services/web-apps/tt-rss.nix
index cf6f79c92f4..fa42ce81234 100644
--- a/nixos/modules/services/web-apps/tt-rss.nix
+++ b/nixos/modules/services/web-apps/tt-rss.nix
@@ -562,7 +562,7 @@ let
           callSql = e:
               if cfg.database.type == "pgsql" then ''
                   ${optionalString (cfg.database.password != null) "PGPASSWORD=${cfg.database.password}"} \
-                  ${optionalString (cfg.database.passwordFile != null) "PGPASSWORD=$(cat ${cfg.database.passwordFile}"}) \
+                  ${optionalString (cfg.database.passwordFile != null) "PGPASSWORD=$(cat ${cfg.database.passwordFile})"} \
                   ${pkgs.sudo}/bin/sudo -u ${cfg.user} ${config.services.postgresql.package}/bin/psql \
                     -U ${cfg.database.user} \
                     ${optionalString (cfg.database.host != null) "-h ${cfg.database.host} --port ${toString dbPort}"} \