diff --git a/common/waifu2x.cpp b/common/waifu2x.cpp
index 6580f58..9b8966a 100644
--- a/common/waifu2x.cpp
+++ b/common/waifu2x.cpp
@@ -406,7 +406,14 @@ Waifu2x::eWaifu2xCudaError Waifu2x::can_use_CUDA()
 				if (cudaRuntimeGetVersion(&runtimeVersion) == cudaSuccess)
 				{
 					if (runtimeVersion >= MinCudaDriverVersion && driverVersion >= runtimeVersion)
-						CudaFlag = eWaifu2xCudaError_OK;
+					{
+						cudaDeviceProp prop;
+						cudaGetDeviceProperties(&prop, 0);
+						if (prop.major >= 2)
+							CudaFlag = eWaifu2xCudaError_OK;
+						else
+							CudaFlag = eWaifu2xCudaError_OldDevice;
+					}
 					else
 						CudaFlag = eWaifu2xCudaError_OldVersion;
 				}
diff --git a/common/waifu2x.h b/common/waifu2x.h
index aaff306..d45ecdf 100644
--- a/common/waifu2x.h
+++ b/common/waifu2x.h
@@ -46,6 +46,7 @@ public:
 		eWaifu2xCudaError_OK = 0,
 		eWaifu2xCudaError_NotFind,
 		eWaifu2xCudaError_OldVersion,
+		eWaifu2xCudaError_OldDevice,
 	};
 
 	enum eWaifu2xcuDNNError
diff --git a/waifu2x-caffe-gui/MainDialog.cpp b/waifu2x-caffe-gui/MainDialog.cpp
index ab14c3d..960fba0 100644
--- a/waifu2x-caffe-gui/MainDialog.cpp
+++ b/waifu2x-caffe-gui/MainDialog.cpp
@@ -2325,6 +2325,9 @@ void DialogEvent::CheckCUDNN(HWND hWnd, WPARAM wParam, LPARAM lParam, LPVOID lpD
 	case Waifu2x::eWaifu2xCudaError_OldVersion:
 		MessageBox(dh, langStringList.GetString(L"MessageCudaOldVersionError").c_str(), langStringList.GetString(L"MessageTitleResult").c_str(), MB_OK | MB_ICONERROR);
 		return;
+	case Waifu2x::eWaifu2xCudaError_OldDevice:
+		MessageBox(dh, langStringList.GetString(L"MessageCudaOldDeviceError").c_str(), langStringList.GetString(L"MessageTitleResult").c_str(), MB_OK | MB_ICONERROR);
+		return;
 	}
 
 	switch (Waifu2x::can_use_cuDNN())