diff --git a/src/p_spec.c b/src/p_spec.c
index 7d6ffaf2a..b38fa37c4 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -3260,6 +3260,8 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
 			// -- Monster Iestyn 14/06/18
 			for (secnum = -1; (secnum = P_FindSectorFromLineTag(line, secnum)) >= 0 ;)
 			{
+				P_ResetColormapFader(&sectors[secnum]);
+
 				if (line->flags & ML_EFFECT3) // relative calc
 				{
 					extracolormap_t *exc = R_AddColormaps(