diff --git a/pkgs/development/libraries/libusb1/default.nix b/pkgs/development/libraries/libusb1/default.nix
index d4504a26b7f..9a6a303fe32 100644
--- a/pkgs/development/libraries/libusb1/default.nix
+++ b/pkgs/development/libraries/libusb1/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ pkgconfig ];
   propagatedBuildInputs = stdenv.lib.optional (stdenv.isLinux) udev;
 
-  NIX_LDFLAGS = "-lgcc_s";
+  NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isLinux "-lgcc_s";
 
   meta = {
     homepage = http://www.libusb.org;