diff --git a/pkgs/tools/inputmethods/ibus/default.nix b/pkgs/tools/inputmethods/ibus/default.nix
index e38289e360b1..0bf98202344f 100644
--- a/pkgs/tools/inputmethods/ibus/default.nix
+++ b/pkgs/tools/inputmethods/ibus/default.nix
@@ -196,6 +196,7 @@ stdenv.mkDerivation (finalAttrs: {
     libxkbcommon
     wayland
     wayland-protocols
+    wayland-scanner # For cross, build uses $PKG_CONFIG to look for wayland-scanner
   ];
 
   enableParallelBuilding = true;