diff -r 2e4d5d55bdf0 -r 93528d9cb96d src/elrail.cpp
--- a/src/elrail.cpp	Wed May 14 18:27:39 2008 +0000
+++ b/src/elrail.cpp	Wed May 14 18:31:21 2008 +0000
@@ -104,7 +104,7 @@
 			if (override != NULL && (IsTunnel(t) || GetTunnelBridgeLength(t, GetOtherBridgeEnd(t)) > 0)) {
 				*override = 1 << GetTunnelBridgeDirection(t);
 			}
-			return AxisToTrackBits(DiagDirToAxis(GetTunnelBridgeDirection(t)));
+			return DiagDirToDiagTrackBits(GetTunnelBridgeDirection(t));
 
 		case MP_ROAD:
 			if (!IsLevelCrossing(t)) return TRACK_BIT_NONE;