diff --git a/apps/backend/src/app/files/files.service.spec.ts b/apps/backend/src/app/files/files.service.spec.ts
deleted file mode 100644
index 38817b2..0000000
--- a/apps/backend/src/app/files/files.service.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from "@nestjs/testing";
-import { FilesService } from "./files.service";
-
-describe("FilesService", () => {
-	let service: FilesService;
-
-	beforeEach(async () => {
-		const module: TestingModule = await Test.createTestingModule({
-			providers: [FilesService],
-		}).compile();
-
-		service = module.get<FilesService>(FilesService);
-	});
-
-	it("should be defined", () => {
-		expect(service).toBeDefined();
-	});
-});
diff --git a/apps/backend/src/app/files/files.service.ts b/apps/backend/src/app/files/files.service.ts
index 4bcc90f..8096be8 100644
--- a/apps/backend/src/app/files/files.service.ts
+++ b/apps/backend/src/app/files/files.service.ts
@@ -12,25 +12,25 @@ export class FilesService {
 		private readonly database: DbService,
 	) {}
 
-	/**
-   * Fetches a file and its information based on the provided checksum.
-   *
-   * @param {string} checksum - The unique identifier for the file.
-   * @return {Promise<IFileWithInformation<object>>} An object containing the stream of the file, its information, and additional data.
-   * @throws {NotFoundException} If the file with the given checksum is not found.
-   */
-  public async get(checksum: string): Promise<IFileWithInformation<object>> {
+  /**
+	 * Retrieves a file and its related information from the database and associated storage.
+	 *
+	 * @param fileId The unique identifier for the file to be retrieved.
+	 * @return A promise that resolves to an object containing the streamable file and additional file information.
+	 * @throws NotFoundException if the file does not exist in the database.
+	 */
+	public async get(fileId: string): Promise<IFileWithInformation<object>> {
 		const foundFiles = await this.database
 			.use()
 			.select()
 			.from(FilesTable)
-			.where(eq(FilesTable.checksum, checksum))
-			.prepare("getFileFromChecksum")
+			.where(eq(FilesTable.uuid, fileId))
+			.prepare("getFileFromId")
 			.execute();
 
 		if (foundFiles.length === 0)
-			throw new NotFoundException("File with checksum not found", {
-        description: `checksum : ${checksum}`
+			throw new NotFoundException("File not found", {
+        description: `Identifier : ${fileId}`
       });
 
 		if (foundFiles.length > 1)