diff --git a/code/game/machinery/machinery.dm b/code/game/machinery/machinery.dm
index 21f173041ff..2dac0c993b3 100644
--- a/code/game/machinery/machinery.dm
+++ b/code/game/machinery/machinery.dm
@@ -440,7 +440,7 @@
 				if(B.reagents.maximum_volume <= A.reagents.maximum_volume)
 					continue
 				W.remove_from_storage(B, src)
-				W.handle_item_insertion(A, TRUE)
+				W.handle_item_insertion(A, user, TRUE)
 				component_parts -= A
 				component_parts += B
 				B.loc = null