diff --git a/test/OpenCL/BitonicSort/main.cpp b/test/OpenCL/BitonicSort/main.cpp
index ca5a19e6a..9ca4c0411 100644
--- a/test/OpenCL/BitonicSort/main.cpp
+++ b/test/OpenCL/BitonicSort/main.cpp
@@ -49,7 +49,7 @@ int main(int argc, char* argv[])
 	b3Clock clock;
 	
 
-	cl_device_type deviceType = CL_DEVICE_TYPE_ALL;
+	cl_device_type deviceType = CL_DEVICE_TYPE_GPU;//ALL;
 	const char* vendorSDK = b3OpenCLUtils::getSdkVendorName();
 
 	printf("This program was compiled using the %s OpenCL SDK\n",vendorSDK);
@@ -189,4 +189,4 @@ int main(int argc, char* argv[])
 	printf("press <Enter>\n");
 	getchar();
 	return 0;
-}
\ No newline at end of file
+}