diff --git a/zone/bonuses.cpp b/zone/bonuses.cpp
index 4406508fe..ade72a0c6 100644
--- a/zone/bonuses.cpp
+++ b/zone/bonuses.cpp
@@ -2495,7 +2495,12 @@ void Mob::ApplySpellsBonuses(uint16 spell_id, uint8 casterlevel, StatBonuses *ne
 				break;
 
 			case SE_IncreaseBlockChance:
-				new_bonus->IncreaseBlockChance += effect_value;
+				if (AdditiveWornBonus)
+					new_bonus->IncreaseBlockChance += effect_value;
+				else if (effect_value < 0 && new_bonus->IncreaseBlockChance > effect_value)
+					new_bonus->IncreaseBlockChance = effect_value;
+				else if (new_bonus->IncreaseBlockChance < effect_value)
+					new_bonus->IncreaseBlockChance = effect_value;
 				break;
 
 			case SE_PersistantCasting: