diff --git a/pkgs/by-name/zs/zsync2/package.nix b/pkgs/by-name/zs/zsync2/package.nix
index 70a204eafab6..c39eee9baa76 100644
--- a/pkgs/by-name/zs/zsync2/package.nix
+++ b/pkgs/by-name/zs/zsync2/package.nix
@@ -53,6 +53,8 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.cmakeBool "USE_SYSTEM_ARGS" true)
   ];
 
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types";
+
   meta = {
     description = "Rewrite of the advanced file download/sync tool zsync";
     homepage = "https://github.com/AppImageCommunity/zsync2";