diff --git a/src/p_mobj.c b/src/p_mobj.c
index 25ae8815a..f240c40f2 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -8171,7 +8171,11 @@ void P_RespawnSpecials(void)
 
 		if (mthing->options & MTF_OBJECTFLIP)
 		{
-			z = ss->sector->ceilingheight - (mthing->options >> ZSHIFT) * FRACUNIT;
+			z = (
+#ifdef ESLOPE
+			ss->sector->c_slope ? P_GetZAt(ss->sector->c_slope, x, y) :
+#endif
+			ss->sector->ceilingheight) - (mthing->options >> ZSHIFT) * FRACUNIT;
 			if (mthing->options & MTF_AMBUSH
 			&& (i == MT_RING || i == MT_REDTEAMRING || i == MT_BLUETEAMRING || i == MT_COIN || P_WeaponOrPanel(i)))
 				z -= 24*FRACUNIT;
@@ -8179,7 +8183,11 @@ void P_RespawnSpecials(void)
 		}
 		else
 		{
-			z = ss->sector->floorheight + (mthing->options >> ZSHIFT) * FRACUNIT;
+			z = (
+#ifdef ESLOPE
+			ss->sector->f_slope ? P_GetZAt(ss->sector->f_slope, x, y) :
+#endif
+			ss->sector->floorheight) + (mthing->options >> ZSHIFT) * FRACUNIT;
 			if (mthing->options & MTF_AMBUSH
 			&& (i == MT_RING || i == MT_REDTEAMRING || i == MT_BLUETEAMRING || i == MT_COIN || P_WeaponOrPanel(i)))
 				z += 24*FRACUNIT;