diff --git a/app/client/modules/backups/components/snapshot-file-browser.tsx b/app/client/modules/backups/components/snapshot-file-browser.tsx
index efe094ea..90382ae4 100644
--- a/app/client/modules/backups/components/snapshot-file-browser.tsx
+++ b/app/client/modules/backups/components/snapshot-file-browser.tsx
@@ -23,9 +23,9 @@ import type { Snapshot, Volume } from "~/client/lib/types";
 import { toast } from "sonner";
 import { listSnapshotFilesOptions, restoreSnapshotMutation } from "~/client/api-client/@tanstack/react-query.gen";
 import { useFileBrowser } from "~/client/hooks/use-file-browser";
+import { OVERWRITE_MODES, type OverwriteMode } from "~/schemas/restic";
 
 type RestoreLocation = "original" | "custom";
-type OverwriteMode = "always" | "if-changed" | "if-newer" | "never";
 
 interface Props {
 	snapshot: Snapshot;
@@ -297,19 +297,21 @@ export const SnapshotFileBrowser = (props: Props) => {
 									<SelectValue placeholder="Select overwrite behavior" />
 								</SelectTrigger>
 								<SelectContent>
-									<SelectItem value="always">Always overwrite</SelectItem>
-									<SelectItem value="if-changed">Only if content changed</SelectItem>
-									<SelectItem value="if-newer">Only if snapshot is newer</SelectItem>
-									<SelectItem value="never">Never overwrite</SelectItem>
+									<SelectItem value={OVERWRITE_MODES.always}>Always overwrite</SelectItem>
+									<SelectItem value={OVERWRITE_MODES.ifChanged}>Only if content changed</SelectItem>
+									<SelectItem value={OVERWRITE_MODES.ifNewer}>Only if snapshot is newer</SelectItem>
+									<SelectItem value={OVERWRITE_MODES.never}>Never overwrite</SelectItem>
 								</SelectContent>
 							</Select>
 							<p className="text-xs text-muted-foreground">
-								{overwriteMode === "always" && "Existing files will always be replaced with the snapshot version."}
-								{overwriteMode === "if-changed" &&
+								{overwriteMode === OVERWRITE_MODES.always &&
+									"Existing files will always be replaced with the snapshot version."}
+								{overwriteMode === OVERWRITE_MODES.ifChanged &&
 									"Files are only replaced if their content differs from the snapshot."}
-								{overwriteMode === "if-newer" &&
+								{overwriteMode === OVERWRITE_MODES.ifNewer &&
 									"Files are only replaced if the snapshot version has a newer modification time."}
-								{overwriteMode === "never" && "Existing files will never be replaced, only missing files are restored."}
+								{overwriteMode === OVERWRITE_MODES.never &&
+									"Existing files will never be replaced, only missing files are restored."}
 							</p>
 						</div>
 
diff --git a/app/client/modules/repositories/tabs/info.tsx b/app/client/modules/repositories/tabs/info.tsx
index 4b4a6522..585a5a18 100644
--- a/app/client/modules/repositories/tabs/info.tsx
+++ b/app/client/modules/repositories/tabs/info.tsx
@@ -21,8 +21,7 @@ import type { Repository } from "~/client/lib/types";
 import { slugify } from "~/client/lib/utils";
 import { updateRepositoryMutation } from "~/client/api-client/@tanstack/react-query.gen";
 import type { UpdateRepositoryResponse } from "~/client/api-client/types.gen";
-
-type CompressionMode = "off" | "auto" | "fastest" | "better" | "max";
+import type { CompressionMode } from "~/schemas/restic";
 
 type Props = {
 	repository: Repository;
diff --git a/app/schemas/restic.ts b/app/schemas/restic.ts
index bb13b18b..e83cf2a4 100644
--- a/app/schemas/restic.ts
+++ b/app/schemas/restic.ts
@@ -105,3 +105,12 @@ export const REPOSITORY_STATUS = {
 } as const;
 
 export type RepositoryStatus = keyof typeof REPOSITORY_STATUS;
+
+export const OVERWRITE_MODES = {
+	always: "always",
+	ifChanged: "if-changed",
+	ifNewer: "if-newer",
+	never: "never",
+} as const;
+
+export type OverwriteMode = (typeof OVERWRITE_MODES)[keyof typeof OVERWRITE_MODES];
diff --git a/app/server/modules/repositories/repositories.dto.ts b/app/server/modules/repositories/repositories.dto.ts
index 801884bd..aa77a62e 100644
--- a/app/server/modules/repositories/repositories.dto.ts
+++ b/app/server/modules/repositories/repositories.dto.ts
@@ -1,6 +1,12 @@
 import { type } from "arktype";
 import { describeRoute, resolver } from "hono-openapi";
-import { COMPRESSION_MODES, REPOSITORY_BACKENDS, REPOSITORY_STATUS, repositoryConfigSchema } from "~/schemas/restic";
+import {
+	COMPRESSION_MODES,
+	OVERWRITE_MODES,
+	REPOSITORY_BACKENDS,
+	REPOSITORY_STATUS,
+	repositoryConfigSchema,
+} from "~/schemas/restic";
 
 export const repositorySchema = type({
 	id: "string",
@@ -269,8 +275,7 @@ export const listSnapshotFilesDto = describeRoute({
 /**
  * Restore a snapshot
  */
-export const overwriteModeSchema = type("'always' | 'if-changed' | 'if-newer' | 'never'");
-export type OverwriteMode = typeof overwriteModeSchema.infer;
+export const overwriteModeSchema = type.valueOf(OVERWRITE_MODES);
 
 export const restoreSnapshotBody = type({
 	snapshotId: "string",
diff --git a/app/server/modules/repositories/repositories.service.ts b/app/server/modules/repositories/repositories.service.ts
index d5965bd4..127a8275 100644
--- a/app/server/modules/repositories/repositories.service.ts
+++ b/app/server/modules/repositories/repositories.service.ts
@@ -8,7 +8,7 @@ import { toMessage } from "../../utils/errors";
 import { generateShortId } from "../../utils/id";
 import { restic } from "../../utils/restic";
 import { cryptoUtils } from "../../utils/crypto";
-import type { CompressionMode, RepositoryConfig } from "~/schemas/restic";
+import type { CompressionMode, OverwriteMode, RepositoryConfig } from "~/schemas/restic";
 
 const listRepositories = async () => {
 	const repositories = await db.query.repositoriesTable.findMany({});
@@ -207,7 +207,7 @@ const restoreSnapshot = async (
 		excludeXattr?: string[];
 		delete?: boolean;
 		targetPath?: string;
-		overwrite?: "always" | "if-changed" | "if-newer" | "never";
+		overwrite?: OverwriteMode;
 	},
 ) => {
 	const repository = await db.query.repositoriesTable.findFirst({
diff --git a/app/server/utils/restic.ts b/app/server/utils/restic.ts
index ec1a26d0..28e01cee 100644
--- a/app/server/utils/restic.ts
+++ b/app/server/utils/restic.ts
@@ -9,7 +9,7 @@ import { logger } from "./logger";
 import { cryptoUtils } from "./crypto";
 import type { RetentionPolicy } from "../modules/backups/backups.dto";
 import { safeSpawn } from "./spawn";
-import type { CompressionMode, RepositoryConfig } from "~/schemas/restic";
+import type { CompressionMode, RepositoryConfig, OverwriteMode } from "~/schemas/restic";
 import { ResticError } from "./errors";
 
 const backupOutputSchema = type({
@@ -361,8 +361,6 @@ const restoreOutputSchema = type({
 	bytes_skipped: "number",
 });
 
-type OverwriteMode = "always" | "if-changed" | "if-newer" | "never";
-
 const restore = async (
 	config: RepositoryConfig,
 	snapshotId: string,