diff --git a/pkgs/by-name/on/oneko/package.nix b/pkgs/by-name/on/oneko/package.nix
index 050bc76770c4..524fdbfde59b 100644
--- a/pkgs/by-name/on/oneko/package.nix
+++ b/pkgs/by-name/on/oneko/package.nix
@@ -36,6 +36,7 @@ stdenv.mkDerivation rec {
     "-Wno-implicit-function-declaration"
     "-Wno-endif-labels"
     "-Wno-implicit-int"
+    "-Wno-incompatible-pointer-types"
   ];
 
   installTargets = [