diff --git a/pkgs/development/libraries/nvidia-optical-flow-sdk/default.nix b/pkgs/development/libraries/nvidia-optical-flow-sdk/default.nix
index a82fa9068c66..2914d059cfaf 100644
--- a/pkgs/development/libraries/nvidia-optical-flow-sdk/default.nix
+++ b/pkgs/development/libraries/nvidia-optical-flow-sdk/default.nix
@@ -18,6 +18,11 @@ stdenv.mkDerivation {
     cp -R * $out/include
   '';
 
+  postFixup = ''
+    mkdir -p $out/nix-support
+    echo $pname >> "$out/nix-support/include-in-cudatoolkit-root"
+  '';
+
   meta = with lib; {
     description = "Nvidia optical flow headers for computing the relative motion of pixels between images";
     homepage = "https://developer.nvidia.com/opticalflow-sdk";
diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index 8cfb169a0bac..d7693a3077a8 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -334,6 +334,7 @@ effectiveStdenv.mkDerivation {
       cuda_cudart
       cuda_cccl # <thrust/*>
       libnpp # npp.h
+      nvidia-optical-flow-sdk
     ] ++ lib.optionals enableCublas [
       libcublas # cublas_v2.h
     ] ++ lib.optionals enableCudnn [
@@ -342,8 +343,7 @@ effectiveStdenv.mkDerivation {
       libcufft # cufft.h
     ]);
 
-  propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy
-    ++ lib.optionals enableCuda [ nvidia-optical-flow-sdk ];
+  propagatedBuildInputs = lib.optionals enablePython [ pythonPackages.numpy ];
 
   nativeBuildInputs = [ cmake pkg-config unzip ]
   ++ lib.optionals enablePython [