diff --git a/packages/backend/src/services/database.ts b/packages/backend/src/services/database.ts
index b23a944..f43fbe4 100644
--- a/packages/backend/src/services/database.ts
+++ b/packages/backend/src/services/database.ts
@@ -41,7 +41,7 @@ export const DatabaseLive = (filePath: string = "db.sqlite3") => Layer.effect(Da
 			createdBy TEXT REFERENCES User (userId) ON DELETE SET NULL ON UPDATE CASCADE,
 			createdAt TEXT NOT NULL,
 			modifiedBy TEXT REFERENCES User (userId) ON DELETE SET NULL ON UPDATE CASCADE,
-			modifiedAt TEXT NUL NULL
+			modifiedAt TEXT
 		`;
 
 		db.exec("PRAGMA foreign_keys = ON");
@@ -104,7 +104,7 @@ export const DatabaseLive = (filePath: string = "db.sqlite3") => Layer.effect(Da
 		const createPiece = db.prepare<
 			never,
 			[pieceId: PieceId, name: string, composer: string | null, lyricist: string | null, arranger: string | null, user: UserId]
-		>("INSERT INTO Piece (pieceId, name, composer, lyricist, arranger, createdBy, createdAt, modifiedBy, modifiedAt) VALUES (?1, ?2, ?3, ?4, ?5, ?6, datetime(), ?6, datetime())");
+		>("INSERT INTO Piece (pieceId, name, composer, lyricist, arranger, createdBy, createdAt, modifiedBy, modifiedAt) VALUES (?1, ?2, ?3, ?4, ?5, ?6, datetime(), ?6, NULL)");
 		const getPieces = db.prepare<
 			typeof Piece.Encoded,
 			[]