diff --git a/pkgs/tools/misc/ttygif/default.nix b/pkgs/tools/misc/ttygif/default.nix
index 33cef6a991f..5a14dade01b 100644
--- a/pkgs/tools/misc/ttygif/default.nix
+++ b/pkgs/tools/misc/ttygif/default.nix
@@ -11,12 +11,12 @@ stdenv.mkDerivation rec {
     sha256 = "1w9c3h6hik2gglwsw8ww63piy66i4zqr3273wh5rc9r2awiwh643";
   };
 
-  makeFlags = [ "PREFIX=${placeholder "out"}" ];
+  makeFlags = [ "CC:=$(CC)" "PREFIX=${placeholder "out"}" ];
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/icholy/ttygif";
     description = "Convert terminal recordings to animated gifs";
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     license = licenses.mit;
     maintainers = with maintainers; [ moaxcp ];
   };