Fix handswap runtime (#4967)

# About the pull request ![image](https://github.com/cmss13-devs/cmss13/assets/41448081/7d39f774-5eaa-4a09-a90f-9cbfb0190050)
cmss13-devs · Nov 21, 2023 · ba6cb19 · ba6cb19
1 parent 5aadcee
commit ba6cb19
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/code/_onclick/other_mobs.dm b/code/_onclick/other_mobs.dm
@@ -13,7 +13,7 @@
 			var/obj/structure/S = A
 			S.do_climb(src, mods)
 			return TRUE
-		else if(!(isitem(A) && get_dist(src, A) <= 1) && client.prefs.toggle_prefs & TOGGLE_MIDDLE_MOUSE_SWAP_HANDS)
+		else if(!(isitem(A) && get_dist(src, A) <= 1) && (client && (client.prefs.toggle_prefs & TOGGLE_MIDDLE_MOUSE_SWAP_HANDS)))
 			swap_hand()
 			return TRUE