diff --git a/code/game/objects/structures/holosign.dm b/code/game/objects/structures/holosign.dm
index 299b077b42b..3606d7215e0 100644
--- a/code/game/objects/structures/holosign.dm
+++ b/code/game/objects/structures/holosign.dm
@@ -133,10 +133,16 @@
 
 /obj/structure/holosign/barrier/medical/CanAllowThrough(atom/movable/mover, turf/target)
 	. = ..()
-	if(force_allaccess || issilicon(mover))
+	if(force_allaccess)
 		return TRUE
+	if(istype(mover, /obj/vehicle/ridden))
+		for(var/M in mover.buckled_mobs)
+			if(ishuman(M))
+				if(!CheckHuman(M))
+					return FALSE
 	if(ishuman(mover))
 		return CheckHuman(mover)
+	return TRUE
 
 /obj/structure/holosign/barrier/medical/Bumped(atom/movable/AM)
 	. = ..()