diff --git a/code/controllers/configuration/config_entry.dm b/code/controllers/configuration/config_entry.dm
index 87fd78c4b5..329b41197a 100644
--- a/code/controllers/configuration/config_entry.dm
+++ b/code/controllers/configuration/config_entry.dm
@@ -217,12 +217,21 @@
 	vv_VAS = FALSE
 	abstract_type = /datum/config_entry/multi_keyed_flag
 	config_entry_value = list()
+	var/delimiter = "|"
+
+/datum/config_entry/multi_keyed_flag/vv_edit_var(var_name, var_value)
+	if(var_name == NAMEOF(src, delimiter))
+		return FALSE
+	return ..()
 
 /datum/config_entry/multi_keyed_flag/ValidateAndSet(str_val)
 	if(!VASProcCallGuard(str_val))
 		return FALSE
 	str_val = trim(str_val)
-	var/list/keys = splittext(str_val, " ")
+	var/list/keys = splittext(str_val, delimiter)
 	for(var/i in keys)
-		config_entry_value[i] = TRUE
+		config_entry_value[process_key(i)] = TRUE
 	return length(keys)? TRUE : FALSE
+
+/datum/config_entry/multi_keyed_flag/process_key(key)
+	return trim(key)