diff --git a/intern/cycles/device/device_opencl.cpp b/intern/cycles/device/device_opencl.cpp
index 8e14c281155..1cd538d655f 100644
--- a/intern/cycles/device/device_opencl.cpp
+++ b/intern/cycles/device/device_opencl.cpp
@@ -69,7 +69,7 @@ static bool opencl_kernel_use_advanced_shading(const string& platform)
 {
 	/* keep this in sync with kernel_types.h! */
 	if(platform == "NVIDIA CUDA")
-		return false;
+		return true;
 	else if(platform == "Apple")
 		return false;
 	else if(platform == "AMD Accelerated Parallel Processing")
diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h
index 1dcd3a52b6a..96fb17282e5 100644
--- a/intern/cycles/kernel/kernel_types.h
+++ b/intern/cycles/kernel/kernel_types.h
@@ -70,7 +70,7 @@ CCL_NAMESPACE_BEGIN
 
 #ifdef __KERNEL_OPENCL_NVIDIA__
 #define __KERNEL_SHADING__
-//#define __KERNEL_ADV_SHADING__
+#define __KERNEL_ADV_SHADING__
 #endif
 
 #ifdef __KERNEL_OPENCL_APPLE__