diff --git a/code/modules/integrated_electronics/core/assemblies.dm b/code/modules/integrated_electronics/core/assemblies.dm
index 20802b90cc..287977f095 100644
--- a/code/modules/integrated_electronics/core/assemblies.dm
+++ b/code/modules/integrated_electronics/core/assemblies.dm
@@ -213,7 +213,9 @@
 	. = ..()
 	if(Adjacent(user))
 		for(var/obj/item/integrated_circuit/IC in contents)
-			. += IC.external_examine(user)
+			var/external_examine = IC.external_examine(user)
+			if (external_examine != null)
+				. += external_examine
 		if(opened)
 			tgui_interact(user)