diff --git a/pkgs/development/tools/misc/lsof/default.nix b/pkgs/development/tools/misc/lsof/default.nix
index 2469a0210b3..ec3a5e9bcbf 100644
--- a/pkgs/development/tools/misc/lsof/default.nix
+++ b/pkgs/development/tools/misc/lsof/default.nix
@@ -12,7 +12,9 @@ stdenv.mkDerivation {
   
   preBuild = "sed -i Makefile -e 's/^CFGF=/&	-DHASIPv6=1/;';";
   
-  configurePhase = "./Configure -n linux;";
+  configurePhase = if stdenv.isDarwin
+    then "./Configure -n darwin;"
+    else "./Configure -n linux;";
   
   installPhase = ''
     mkdir -p $out/bin $out/man/man8