diff --git a/nixos/modules/tasks/network-interfaces-scripted.nix b/nixos/modules/tasks/network-interfaces-scripted.nix
index 7961cb21ff5a..7b96e1efc025 100644
--- a/nixos/modules/tasks/network-interfaces-scripted.nix
+++ b/nixos/modules/tasks/network-interfaces-scripted.nix
@@ -430,8 +430,9 @@ let
                 rm -f /run/${n}.interfaces
               '';
               reload = ''
+                # shellcheck disable=SC2013
                 # Un-enslave child interfaces (old list of interfaces)
-                for interface in `cat /run/${n}.interfaces`; do
+                for interface in $(cat /run/${n}.interfaces); do
                   ip link set dev "$interface" nomaster up
                 done