diff --git a/hosts/Infini-SD/default.nix b/hosts/Infini-SD/default.nix
index 126f45f..070c631 100644
--- a/hosts/Infini-SD/default.nix
+++ b/hosts/Infini-SD/default.nix
@@ -31,9 +31,13 @@
     };
   };
 
-  services.udev.extraRules = ''
-    DRIVER=="mlx4_core", ATTR{mlx4_port1}="eth", ATTR{mlx4_port2}="eth"
-  '';
+  systemd.services.setup-infiniband = {
+    wantedBy = [ "network.target" ];
+    script = ''
+      echo "eth" > /sys/bus/pci/devices/0000:04:00.0/mlx4_port1
+      echo "eth" > /sys/bus/pci/devices/0000:04:00.0/mlx4_port2
+    '';
+  };
 
   documentation.man.man-db.enable = false;