diff --git a/package-lock.json b/package-lock.json
index 2e75d93..1226092 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "openkonsequenz-statement-public-affairs",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 35ed20a..6d49ceb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openkonsequenz-statement-public-affairs",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Statement Public Affairs",
   "license": "Eclipse Public License - v 2.0",
   "repository": {
diff --git a/src/app/store/mail/effects/download/download-email-attachment.effect.spec.ts b/src/app/store/mail/effects/download/download-email-attachment.effect.spec.ts
index f3d6b2d..537151c 100644
--- a/src/app/store/mail/effects/download/download-email-attachment.effect.spec.ts
+++ b/src/app/store/mail/effects/download/download-email-attachment.effect.spec.ts
@@ -80,13 +80,14 @@
     it("should download email attachments", () => {
         const mailId = "<Mail19>";
         const name = "attachment.pdf";
+        const encodedName = encodeURI(name);
         const results: Action[] = [];
         const spy = spyOn(effect.downloadService, "startDownload");
 
         subscription = effect.download(mailId, name).subscribe((_) => results.push(_));
 
         expect(subscription.closed).toBeTrue();
-        expect(spy).toHaveBeenCalledWith(`/mail/identifier/${mailId}/${name}`, token);
+        expect(spy).toHaveBeenCalledWith(`/mail/identifier/${mailId}/${encodedName}`, token);
         expect(results).toEqual([]);
     });
 
diff --git a/src/app/store/mail/effects/download/download-email-attachment.effect.ts b/src/app/store/mail/effects/download/download-email-attachment.effect.ts
index db89594..4a45876 100644
--- a/src/app/store/mail/effects/download/download-email-attachment.effect.ts
+++ b/src/app/store/mail/effects/download/download-email-attachment.effect.ts
@@ -39,6 +39,7 @@
     }
 
     public download(mailId: string, name: string): Observable<Action> {
+        name = encodeURI(name);
         const endPoint = `/mail/identifier/${mailId}/${name}`;
         this.downloadService.startDownload(urlJoin(this.spaBackendRoute, endPoint), this.authService.token);
         return EMPTY;