diff --git a/nixos/modules/services/networking/git-daemon.nix b/nixos/modules/services/networking/git-daemon.nix
index 8c9243463ac..566936a7d0f 100644
--- a/nixos/modules/services/networking/git-daemon.nix
+++ b/nixos/modules/services/networking/git-daemon.nix
@@ -122,7 +122,7 @@ in
         + (optionalString (cfg.basePath != "") "--base-path=${cfg.basePath} ")
         + (optionalString (cfg.listenAddress != "") "--listen=${cfg.listenAddress} ")
         + "--port=${toString cfg.port} --user=${cfg.user} --group=${cfg.group} ${cfg.options} "
-        + "--verbose " + (optionalString cfg.exportAll "--export-all")  + concatStringsSep " " cfg.repositories;
+        + "--verbose " + (optionalString cfg.exportAll "--export-all ")  + concatStringsSep " " cfg.repositories;
     };
 
   };