diff --git a/components/db_ido_mysql/idomysqlconnection.cpp b/components/db_ido_mysql/idomysqlconnection.cpp
index f1fe929d8..f42b9fa68 100644
--- a/components/db_ido_mysql/idomysqlconnection.cpp
+++ b/components/db_ido_mysql/idomysqlconnection.cpp
@@ -138,6 +138,8 @@ void IdoMysqlConnection::Reconnect(void)
 			reconnect = true;
 		}
 
+		ClearIDCache();
+
 		String ihost, iuser, ipasswd, idb;
 		const char *host, *user , *passwd, *db;
 		long port;
@@ -587,6 +589,7 @@ void IdoMysqlConnection::InternalExecuteQuery(const DbQuery& query)
 		if (type == DbQueryInsert && query.ConfigUpdate)
 			SetInsertID(query.Object, GetLastInsertID());
 	}
+
 	if (type == DbQueryInsert && query.Table == "notifications") { // FIXME remove hardcoded table name
 		m_LastNotificationID = GetLastInsertID();
 		Log(LogDebug, "db_ido", "saving contactnotification notification_id=" + Convert::ToString(static_cast<long>(m_LastNotificationID)));
diff --git a/components/db_ido_pgsql/idopgsqlconnection.cpp b/components/db_ido_pgsql/idopgsqlconnection.cpp
index 609275b1f..c731bffb7 100644
--- a/components/db_ido_pgsql/idopgsqlconnection.cpp
+++ b/components/db_ido_pgsql/idopgsqlconnection.cpp
@@ -139,6 +139,8 @@ void IdoPgsqlConnection::Reconnect(void)
 			}
 		}
 
+		ClearIDCache();
+
 		String ihost, iport, iuser, ipasswd, idb;
 		const char *host, *port, *user , *passwd, *db;
 
diff --git a/lib/db_ido/dbconnection.cpp b/lib/db_ido/dbconnection.cpp
index b20c6b27e..e325ea59f 100644
--- a/lib/db_ido/dbconnection.cpp
+++ b/lib/db_ido/dbconnection.cpp
@@ -201,6 +201,12 @@ DbReference DbConnection::GetInsertID(const DbObject::Ptr& dbobj) const
 	return it->second;
 }
 
+void DbConnection::ClearIDCache(void)
+{
+	m_ObjectIDs.clear();
+	m_InsertIDs.clear();
+}
+
 void DbConnection::SetConfigUpdate(const DbObject::Ptr& dbobj, bool hasupdate)
 {
 	if (hasupdate)
diff --git a/lib/db_ido/dbconnection.h b/lib/db_ido/dbconnection.h
index b52b12f11..1e5decac5 100644
--- a/lib/db_ido/dbconnection.h
+++ b/lib/db_ido/dbconnection.h
@@ -47,6 +47,8 @@ public:
 	void SetInsertID(const DbObject::Ptr& dbobj, const DbReference& dbref);
 	DbReference GetInsertID(const DbObject::Ptr& dbobj) const;
 
+	void ClearIDCache(void);
+
 	void SetConfigUpdate(const DbObject::Ptr& dbobj, bool hasupdate);
 	bool GetConfigUpdate(const DbObject::Ptr& dbobj) const;