diff --git a/nixos/modules/services/networking/unbound.nix b/nixos/modules/services/networking/unbound.nix
index f3a04d97c98e..bcce4accdd6e 100644
--- a/nixos/modules/services/networking/unbound.nix
+++ b/nixos/modules/services/networking/unbound.nix
@@ -105,7 +105,7 @@ in
       description = "Unbound recursive Domain Name Server";
       after = [ "network.target" ];
       before = [ "nss-lookup.target" ];
-      wants = [" nss-lookup.target" ];
+      wants = [ "nss-lookup.target" ];
       wantedBy = [ "multi-user.target" ];
 
       preStart = ''