diff --git a/db/initialize.ts b/db/initialize.ts
index 2379689..c07e9a1 100644
--- a/db/initialize.ts
+++ b/db/initialize.ts
@@ -60,7 +60,7 @@ await dbClient.execute(`
 		channelId bigint unsigned NOT NULL,
 		guildId bigint unsigned NOT NULL,
 		ownerId bigint unsigned NOT NULL,
-		eventTime timestamp NOT NULL,
+		eventTime datetime NOT NULL,
 		notifiedFlag tinyint(1) NOT NULL DEFAULT 0,
 		lockedFlag tinyint(1) NOT NULL DEFAULT 0,
 		PRIMARY KEY (messageId, channelId)