diff --git a/code/game/objects/structures/girders.dm b/code/game/objects/structures/girders.dm
index 217f870597..b491a923f8 100644
--- a/code/game/objects/structures/girders.dm
+++ b/code/game/objects/structures/girders.dm
@@ -53,8 +53,8 @@
 	if(applies_material_colour)
 		color = girder_material.icon_colour
 	if(girder_material.products_need_process()) //Am I radioactive or some other? Process me!
-		START_PROCESSING(SSobj, src)
-	else if(src in processing_objects) //If I happened to be radioactive or s.o. previously, and am not now, stop processing.
+		START_PROCESSING(SSobj, src)
+	else if(is_processing) //If I happened to be radioactive or s.o. previously, and am not now, stop processing.
 		STOP_PROCESSING(SSobj, src)
 
 /obj/structure/girder/get_material()
diff --git a/code/modules/xenoarcheaology/tools/tools.dm b/code/modules/xenoarcheaology/tools/tools.dm
index 4f764b1412..00eb61b79b 100644
--- a/code/modules/xenoarcheaology/tools/tools.dm
+++ b/code/modules/xenoarcheaology/tools/tools.dm
@@ -254,7 +254,7 @@
 			if(prob(scan_ticks * 10))
 				spawn(0)
 					set background = 1
-					if(processing_objects.Find(src))
+					if(is_processing)
 						//scan radios in the world to try and find one
 						var/cur_dist = 999
 						for(var/obj/item/device/radio/beacon/R in all_beacons)