1 files changed, 4 insertions, 3 deletions
diff --git a/nixos/modules/services/networking/wpa_supplicant.nix b/nixos/modules/services/networking/wpa_supplicant.nix
index 8f05c3949fba..de0f11595a94 100644
--- a/nixos/modules/services/networking/wpa_supplicant.nix
+++ b/nixos/modules/services/networking/wpa_supplicant.nix
@@ -233,6 +233,7 @@ in {
       path = [ pkgs.wpa_supplicant ];
 
       script = ''
+        iface_args="-s -u -D${cfg.driver} -c ${configFile}"
         ${if ifaces == [] then ''
           for i in $(cd /sys/class/net && echo *); do
             DEVTYPE=
@@ -240,14 +241,14 @@ in {
             if [ -e "$UEVENT_PATH" ]; then
               source "$UEVENT_PATH"
               if [ "$DEVTYPE" = "wlan" -o -e /sys/class/net/$i/wireless ]; then
-                ifaces="$ifaces''${ifaces:+ -N} -i$i"
+                args+="''${args:+ -N} -i$i $iface_args"
               fi
             fi
           done
         '' else ''
-          ifaces="${concatStringsSep " -N " (map (i: "-i${i}") ifaces)}"
+          args="${concatMapStringsSep " -N " (i: "-i${i} $iface_args") ifaces}"
         ''}
-        exec wpa_supplicant -s -u -D${cfg.driver} -c ${configFile} $ifaces
+        exec wpa_supplicant $args
       '';
     };