diff --git a/code/datums/components/turfslip.dm b/code/datums/components/turfslip.dm
index b55b03dad73..a4905262b74 100644
--- a/code/datums/components/turfslip.dm
+++ b/code/datums/components/turfslip.dm
@@ -86,6 +86,8 @@
 /turf/simulated/check_slipping(var/mob/living/M,var/dirtslip)
 	if(M.buckled)
 		return FALSE
+	if(M.is_incorporeal()) // Mar!
+		return FALSE
 	if(!wet && !(dirtslip && (dirt > 50 || is_outdoors() == OUTDOORS_YES)))
 		return FALSE
 	if(wet == TURFSLIP_WET && M.m_intent == I_WALK)