diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix
index dc62cae24c7a..144ad10138d6 100644
--- a/nixos/modules/tasks/network-interfaces.nix
+++ b/nixos/modules/tasks/network-interfaces.nix
@@ -932,8 +932,10 @@ in
       ]
       ++ bridgeStp;
 
+    # The network-interfaces target is kept for backwards compatibility.
+    # New modules must NOT use it.
     systemd.targets."network-interfaces" =
-      { description = "All Network Interfaces";
+      { description = "All Network Interfaces (deprecated)";
         wantedBy = [ "network.target" ];
         before = [ "network.target" ];
         after = [ "network-pre.target" ];