diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 688d04d228c8..2d8b6ad15e5b 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -165,8 +165,10 @@ stdenv.mkDerivation rec {
     (opencvFlag "OPENEXR" enableEXR)
     (opencvFlag "CUDA" enableCuda)
     (opencvFlag "CUBLAS" enableCuda)
-  ] ++ lib.optionals enableCuda [ "-DCUDA_FAST_MATH=ON" ]
-    ++ lib.optional buildContrib "-DBUILD_PROTOBUF=off"
+  ] ++ lib.optionals enableCuda [
+    "-DCUDA_FAST_MATH=ON"
+    "-DCUDA_HOST_COMPILER=${cudatoolkit.cc}/bin/gcc"
+  ] ++ lib.optional buildContrib "-DBUILD_PROTOBUF=off"
     ++ lib.optionals stdenv.isDarwin ["-DWITH_OPENCL=OFF" "-DWITH_LAPACK=OFF"];
 
   enableParallelBuilding = true;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0d9a0a7a754a..b2dfd8b8a73b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9943,6 +9943,7 @@ with pkgs;
   };
 
   opencv3 = callPackage ../development/libraries/opencv/3.x.nix {
+    enableCuda = config.cudaSupport or false;
     inherit (darwin.apple_sdk.frameworks) AVFoundation Cocoa QTKit;
   };