diff --git a/zone/dynamiczone.cpp b/zone/dynamiczone.cpp
index 5e87e229c..38377fefe 100644
--- a/zone/dynamiczone.cpp
+++ b/zone/dynamiczone.cpp
@@ -437,21 +437,19 @@ void DynamicZone::SendInstanceCharacterChange(uint32_t character_id, bool remove
 	}
 }
 
-void DynamicZone::UpdateExpireTime(uint32_t seconds)
+void DynamicZone::UpdateExpireTime(uint32_t seconds, bool reduce_only)
 {
-	if (GetInstanceID() == 0)
+	if (GetInstanceID() == 0 || (reduce_only && GetSecondsRemaining() < seconds))
 	{
 		return;
 	}
 
-	m_duration = seconds;
 	m_expire_time = std::chrono::system_clock::now() + std::chrono::seconds(seconds);
-
-	auto new_duration = std::chrono::system_clock::to_time_t(m_expire_time) - m_start_time;
+	m_duration = std::chrono::system_clock::to_time_t(m_expire_time) - m_start_time;
 
 	std::string query = fmt::format(SQL(
 		UPDATE instance_list SET duration = {} WHERE id = {};
-	), new_duration, GetInstanceID());
+	), m_duration, GetInstanceID());
 
 	auto results = database.QueryDatabase(query);
 	if (results.Success())
diff --git a/zone/dynamiczone.h b/zone/dynamiczone.h
index b2bf22b41..bb2bee16b 100644
--- a/zone/dynamiczone.h
+++ b/zone/dynamiczone.h
@@ -89,7 +89,7 @@ public:
 	void     SetCompass(const DynamicZoneLocation& location, bool update_db = false);
 	void     SetSafeReturn(const DynamicZoneLocation& location, bool update_db = false);
 	void     SetZoneInLocation(const DynamicZoneLocation& location, bool update_db = false);
-	void     UpdateExpireTime(uint32_t seconds);
+	void     UpdateExpireTime(uint32_t seconds, bool reduce_only = true);
 
 	void     LoadFromDatabase(uint32_t instance_id);
 	uint32_t SaveToDatabase();