diff --git a/code/modules/integrated_electronics/core/assemblies.dm b/code/modules/integrated_electronics/core/assemblies.dm
index 0a70774847..07be1eef78 100644
--- a/code/modules/integrated_electronics/core/assemblies.dm
+++ b/code/modules/integrated_electronics/core/assemblies.dm
@@ -500,6 +500,8 @@
 	for(var/I in assembly_components)
 		var/obj/item/integrated_circuit/IC = I
 		IC.ext_moved(oldLoc, dir)
+	if(light) //Update lighting objects (From light circuits).
+		update_light()
 
 /obj/item/device/electronic_assembly/stop_pulling()
 	for(var/I in assembly_components)