diff --git a/code/game/machinery/defibrillator_mount.dm b/code/game/machinery/defibrillator_mount.dm
index 7107a0baea..a1931e133a 100644
--- a/code/game/machinery/defibrillator_mount.dm
+++ b/code/game/machinery/defibrillator_mount.dm
@@ -129,7 +129,7 @@
 	if(clamps_locked)
 		to_chat(user, "<span class='warning'>You try to tug out [defib], but the mount's clamps are locked tight!</span>")
 		return
-	if(!user.get_empty_held_indexes)
+	if(!user.get_empty_held_indexes())
 		to_chat(user, "<span class='warning'>You need a free hand!</span>")
 		return
 	user.put_in_hands(defib)