diff --git a/nixos/modules/services/networking/shorewall.nix b/nixos/modules/services/networking/shorewall.nix
index 05087aaa8b3b..8d05543e9051 100644
--- a/nixos/modules/services/networking/shorewall.nix
+++ b/nixos/modules/services/networking/shorewall.nix
@@ -58,7 +58,7 @@ in {
         install -D -d -m 750 /var/lib/shorewall
         install -D -d -m 755 /var/lock/subsys
         touch                /var/log/shorewall.log
-        chown 750            /var/log/shorewall.log
+        chmod 750            /var/log/shorewall.log
       '';
     };
     environment = {
diff --git a/nixos/modules/services/networking/shorewall6.nix b/nixos/modules/services/networking/shorewall6.nix
index 1eab3284d15f..3088e59fa9eb 100644
--- a/nixos/modules/services/networking/shorewall6.nix
+++ b/nixos/modules/services/networking/shorewall6.nix
@@ -58,7 +58,7 @@ in {
         install -D -d -m 750 /var/lib/shorewall6
         install -D -d -m 755 /var/lock/subsys
         touch                /var/log/shorewall6.log
-        chown 750            /var/log/shorewall6.log
+        chmod 750            /var/log/shorewall6.log
       '';
     };
     environment = {