diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index caabc1e..494b35a 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -1412,7 +1412,8 @@ namespace hg_imgproc
 			std::vector<cv::Mat>	mats(mats_);
 			mats_.clear();
 
-			CImageApplyColorCastCorrect::PreScheme deviceType = CImageApplyColorCastCorrect::G200;
+			int tmp = -1;
+			CImageApplyColorCastCorrect::PreScheme deviceType = (CImageApplyColorCastCorrect::PreScheme)tmp;
 			if (0x300 == pid_)
 			{
 				deviceType = CImageApplyColorCastCorrect::G300_D8;