diff --git a/src/p_polyobj.c b/src/p_polyobj.c
index a270c8f3a..099cf8998 100644
--- a/src/p_polyobj.c
+++ b/src/p_polyobj.c
@@ -217,9 +217,12 @@ static void Polyobj_GetInfo(polyobj_t *po, line_t *line)
 	if (po->parent == po->id) // do not allow a self-reference
 		po->parent = -1;
 
-	po->translucency = max(min(line->args[2], NUMTRANSMAPS), 0);
+	if (mapnamespace == MNS_SRB2KART)
+		po->translucency = max(min(line->args[1], NUMTRANSMAPS), 0);
+	else
+		po->translucency = max(min(line->args[2], NUMTRANSMAPS), 0);
 
-	if (udmf)
+	if (mapnamespace != MNS_SRB2KART)
 	{
 		po->flags = POF_SOLID|POF_TESTHEIGHT|POF_RENDERSIDES|POF_RENDERPLANES;