diff --git a/types.h b/types.h
index 1eb122956..aa5f01d8e 100644
--- a/types.h
+++ b/types.h
@@ -72,9 +72,9 @@ DEVILUTION_BEGIN_NAMESPACE
 #endif
 
 // If defined, don't fry the CPU [Default -> Undefined]
-#ifdef _DEBUG
+//#ifdef _DEBUG
 #define SLEEPFIX
-#endif
+//#endif
 
 // If defined, fix palette glitch in Windows Vista+ [Default -> Undefined]
 //#define COLORFIX