diff --git a/src/p_spec.c b/src/p_spec.c
index 1fcba7585..bae374381 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -3893,6 +3893,32 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
 			PolyFade(line);
 			break;
 
+		// SRB2kart
+		case 2003: // Enable/Disable Waypoints in Tagged Sectors
+		{
+			sector_t *sec;
+			mobj_t *thing;
+
+			while ((secnum = P_FindSectorFromTag(line->tag, secnum)) >= 0)
+			{
+				sec = sectors + secnum;
+
+				for (thing = sec->thinglist; thing; thing = thing->snext)
+					if (thing->type == MT_WAYPOINT)
+					{
+						if (line->flags & ML_NOCLIMB)
+						{
+							thing->extravalue1 = 1;
+						}
+						else
+						{
+							thing->extravalue1 = 0;
+						}
+					}
+			}
+			break;
+		}
+
 		default:
 			break;
 	}