diff --git a/ethercat.nix b/ethercat.nix
index dd5f733..183cee1 100644
--- a/ethercat.nix
+++ b/ethercat.nix
@@ -101,7 +101,7 @@ stdenv.mkDerivation {
     substituteInPlace $out/bin/ethercatctl --replace 'MODPROBE=/sbin/modprobe' 'MODPROBE=modprobe'
     substituteInPlace $out/bin/ethercatctl --replace 'RMMOD=/sbin/rmmod' 'RMMOD=rmmod'
     substituteInPlace $out/bin/ethercatctl --replace 'MODINFO=/sbin/modinfo' 'MODINFO=modinfo'
-    substituteInPlace $out/bin/ethercatctl --replace 'IP=/bin/ip' 'IP=ip'
+    substituteInPlace $out/bin/ethercatctl --replace 'IP=/sbin/ip' 'IP=ip'
   '';
 
   meta = with lib; {