diff --git a/src/drivers/simplix/src/unittrack.cpp b/src/drivers/simplix/src/unittrack.cpp
index 66aaca1f..000bf9e4 100644
--- a/src/drivers/simplix/src/unittrack.cpp
+++ b/src/drivers/simplix/src/unittrack.cpp
@@ -636,7 +636,7 @@ void TTrackDescription::InitTrack
 		else
 		{
 		  // Wall of some sort
-//		  WCurb = (PSide->style >= TR_WALL) ? -1.0 : 0.0;
+		  ExtraW = (PSide->style == TR_WALL) ? -1.0 : 0.0;
 		  Done = true;
 		}