diff --git a/pkgs/by-name/sp/spooftooph/package.nix b/pkgs/by-name/sp/spooftooph/package.nix
index dc045344aec9..5b4f18b55a20 100644
--- a/pkgs/by-name/sp/spooftooph/package.nix
+++ b/pkgs/by-name/sp/spooftooph/package.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation (finalAttrs: {
     ncurses
   ];
 
+  env.NIX_CFLAGS_COMPILE = "-Wno-incompatible-pointer-types";
+
   makeFlags = [ "BIN=$(out)/bin" ];
 
   preInstall = ''