diff --git a/src/doomdef.h b/src/doomdef.h
index 6b06a4cf15f03a020b2960f39caf99b04826a1a1..263219a9d879f27b4c46a177dc30c48d77cce829 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -548,6 +548,6 @@ extern const char *compdate, *comptime, *comprevision, *compbranch;
 /// on the bright side it fixes some weird issues with translucent walls
 /// \note	SRB2CB port.
 ///      	SRB2CB itself ported this from PrBoom+
-//#define NEWCLIP
+#define NEWCLIP
 
 #endif // __DOOMDEF__