diff --git a/code/modules/holodeck/area_copy.dm b/code/modules/holodeck/area_copy.dm
index efe7418e44b..a1b64588763 100644
--- a/code/modules/holodeck/area_copy.dm
+++ b/code/modules/holodeck/area_copy.dm
@@ -4,7 +4,7 @@ GLOBAL_LIST_INIT(duplicate_forbidden_vars,list(
 	"power_supply", "contents", "reagents", "stat", "x", "y", "z", "group", "atmos_adjacent_turfs", "comp_lookup"
 	))
 
-/proc/DuplicateObject(atom/original, perfectcopy = TRUE, sameloc = FALSE, atom/newloc = null, nerf = FALSE, holoitem=FALSE)
+/proc/DuplicateObject(atom/original, perfectcopy = TRUE, sameloc, atom/newloc = null, nerf, holoitem)
 	if(!original)
 		return
 	var/atom/O
@@ -40,6 +40,14 @@ GLOBAL_LIST_INIT(duplicate_forbidden_vars,list(
 
 	if(holoitem)
 		O.flags_1 |= HOLOGRAM_1
+		for(var/atom/thing in O)
+			thing.flags_1 |= HOLOGRAM_1
+		if(ismachinery(O))
+			var/obj/machinery/M = O
+			for(var/atom/contained_atom in M.component_parts)
+				contained_atom.flags_1 |= HOLOGRAM_1
+			if(M.circuit)
+				M.circuit.flags_1 |= HOLOGRAM_1
 	return O