diff --git a/pkgs/by-name/ba/basalt-monado/package.nix b/pkgs/by-name/ba/basalt-monado/package.nix
index c0dc8992b955..ee2294f50879 100644
--- a/pkgs/by-name/ba/basalt-monado/package.nix
+++ b/pkgs/by-name/ba/basalt-monado/package.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation {
     libGL
     lz4
     magic-enum
-    opencv
+    opencv.cxxdev
     tbb
     xorg.libX11
   ];