diff --git a/client/gpu_detect.cpp b/client/gpu_detect.cpp
index 276bea7f2c..f6574849b2 100644
--- a/client/gpu_detect.cpp
+++ b/client/gpu_detect.cpp
@@ -18,7 +18,9 @@
 
 // client-specific GPU code.  Mostly GPU detection
 
-//#define USE_CHILD_PROCESS_TO_DETECT_GPUS 1
+#ifdef _DEBUG
+#define USE_CHILD_PROCESS_TO_DETECT_GPUS 1
+#endif
 
 #include "cpp.h"