diff --git a/regression_tests/q3map2/disappearing_sliver/winding_logging.patch b/regression_tests/q3map2/disappearing_sliver/winding_logging.patch
index 3e206d1..a1babe9 100644
--- a/regression_tests/q3map2/disappearing_sliver/winding_logging.patch
+++ b/regression_tests/q3map2/disappearing_sliver/winding_logging.patch
@@ -1,6 +1,6 @@
 Index: tools/quake3/q3map2/brush.c
 ===================================================================
---- tools/quake3/q3map2/brush.c	(revision 388)
+--- tools/quake3/q3map2/brush.c	(revision 391)
 +++ tools/quake3/q3map2/brush.c	(working copy)
 @@ -421,10 +421,16 @@
  	side_t		*side;
@@ -35,15 +35,23 @@ Index: tools/quake3/q3map2/brush.c
  		/* walk the list of brush sides */
  		for( j = 0; j < brush->numsides && w != NULL; j++ )
  		{
-@@ -451,7 +463,12 @@
+@@ -451,7 +463,20 @@
  #else
  			ChopWindingInPlace( &w, plane->normal, plane->dist, 0 ); // CLIP_EPSILON );
  #endif
 -			
 +
 +			Sys_Printf("        After clipping w/ side %i we have:\n", j);
-+			for (z = 0; z < w->numpoints; z++) {
-+				Sys_Printf("            (%.8f %.8f %.8f)\n", w->p[z][0], w->p[z][1], w->p[z][2]);
++			if (w)
++			{
++				for (z = 0; z < w->numpoints; z++)
++				{
++					Sys_Printf("            (%.8f %.8f %.8f)\n", w->p[z][0], w->p[z][1], w->p[z][2]);
++				}
++			}
++			else
++			{
++				Sys_Printf("            winding is NULL\n");
 +			}
 +
  			/* ydnar: fix broken windings that would generate trifans */
@@ -51,7 +59,7 @@ Index: tools/quake3/q3map2/brush.c
  			FixWindingAccu(w);
 Index: tools/quake3/q3map2/map.c
 ===================================================================
---- tools/quake3/q3map2/map.c	(revision 388)
+--- tools/quake3/q3map2/map.c	(revision 391)
 +++ tools/quake3/q3map2/map.c	(working copy)
 @@ -803,7 +803,11 @@
  	char			shader[ MAX_QPATH ];