diff --git a/pkgs/tools/misc/arp-scan/default.nix b/pkgs/tools/misc/arp-scan/default.nix
index 1e0ad4079d6c..02462689d806 100644
--- a/pkgs/tools/misc/arp-scan/default.nix
+++ b/pkgs/tools/misc/arp-scan/default.nix
@@ -22,8 +22,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ perlPackages.perl libpcap ];
 
   postInstall = ''
-    for name in get-{oui,iab}; do
-      wrapProgram "$out/bin/$name" --set PERL5LIB "${perlPackages.makeFullPerlPath perlModules}"
+    for binary in get-{oui,iab}; do
+      wrapProgram "$out/bin/$binary" --set PERL5LIB "${perlPackages.makeFullPerlPath perlModules}"
     done;
   '';