diff --git a/code/controllers/subsystem/dynamic/_dynamic_ruleset.dm b/code/controllers/subsystem/dynamic/_dynamic_ruleset.dm
index ece1d5f1b4b..282c83d8f0f 100644
--- a/code/controllers/subsystem/dynamic/_dynamic_ruleset.dm
+++ b/code/controllers/subsystem/dynamic/_dynamic_ruleset.dm
@@ -110,6 +110,7 @@
 	if(new_var in locked_config_values)
 		log_dynamic("Bad config edit rejected: [new_var]")
 		return FALSE
+
 	if(islist(new_val) && (new_var == NAMEOF(src, weight) || new_var == NAMEOF(src, min_pop)))
 		new_val = load_tier_list(new_val)
 
@@ -128,7 +129,16 @@
 	var/alist/tier_list = alist()
 	// loads a list of list("2" = 1, "3" = 3) into an alist(2 = 1, 3 = 3)
 	for(var/tier in incoming_list)
-		tier_list[text2num(tier)] = incoming_list[tier]
+		var/tier_value = text2num(tier)
+		if (tier_value > DYNAMIC_TIER_HIGH)
+			stack_trace("Dynamic config for [name] encountered a tier value exceeding DYNAMIC_TIER_HIGH!")
+			message_admins(span_boldannounce("Dynamic config for [name] encountered a tier value exceeding DYNAMIC_TIER_HIGH!"))
+			tier_value = DYNAMIC_TIER_HIGH
+		else if (tier_value < DYNAMIC_TIER_GREEN)
+			stack_trace("Dynamic config for [name] encountered a negative tier value, below DYNAMIC_TIER_GREEN!")
+			message_admins(span_boldannounce("Dynamic config for [name] encountered a negative tier value, below DYNAMIC_TIER_GREEN!"))
+			tier_value = DYNAMIC_TIER_GREEN
+		tier_list[tier_value] = incoming_list[tier]
 
 	return tier_list