diff --git a/zone/client_mods.cpp b/zone/client_mods.cpp
index 934f6c55a..d192c57c6 100644
--- a/zone/client_mods.cpp
+++ b/zone/client_mods.cpp
@@ -288,7 +288,7 @@ int64 Client::CalcHPRegen(bool bCombat)
 
 	if (!bCombat && CanFastRegen() && (IsSitting() || CanMedOnHorse())) {
 		auto max_hp = GetMaxHP();
-		int fast_regen = 6 * (max_hp / zone->newzone_data.fast_regen_hp);
+		int64 fast_regen = 6 * (max_hp / (zone ? zone->newzone_data.fast_regen_hp : 180));
 		if (base < fast_regen) // weird, but what the client is doing
 			base = fast_regen;
 	}