diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index 9859fe3898b..6b15fc069ee 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -1398,7 +1398,7 @@
 /mob/living/carbon/human/proc/process_glasses(var/obj/item/clothing/glasses/G)
 	if(G && G.active)
 		see_in_dark += G.darkness_view
-		if(G.overlay)
+		if(G.overlay && client)
 			client.screen |= G.overlay
 		if(G.vision_flags)
 			sight |= G.vision_flags