diff --git a/docs-web/src/main/java/com/sismics/docs/rest/resource/FileResource.java b/docs-web/src/main/java/com/sismics/docs/rest/resource/FileResource.java
index e283e584..84637018 100644
--- a/docs-web/src/main/java/com/sismics/docs/rest/resource/FileResource.java
+++ b/docs-web/src/main/java/com/sismics/docs/rest/resource/FileResource.java
@@ -584,7 +584,7 @@ public class FileResource extends BaseResource {
                         // Files are encrypted by the creator of them
                         User user = userDao.getById(file.getUserId());
                         try (InputStream decryptedStream = EncryptionUtil.decryptInputStream(fileInputStream, user.getPrivateKey())) {
-                            ZipEntry zipEntry = new ZipEntry(file.getFullName(Integer.toString(index)));
+                            ZipEntry zipEntry = new ZipEntry(index + "-" + file.getFullName(Integer.toString(index)));
                             zipOutputStream.putNextEntry(zipEntry);
                             ByteStreams.copy(decryptedStream, zipOutputStream);
                             zipOutputStream.closeEntry();
diff --git a/docs-web/src/test/java/com/sismics/docs/rest/TestFileResource.java b/docs-web/src/test/java/com/sismics/docs/rest/TestFileResource.java
index 0a5102fe..7939e044 100644
--- a/docs-web/src/test/java/com/sismics/docs/rest/TestFileResource.java
+++ b/docs-web/src/test/java/com/sismics/docs/rest/TestFileResource.java
@@ -161,6 +161,7 @@ public class TestFileResource extends BaseJerseyTest {
                 .request()
                 .cookie(TokenBasedSecurityFilter.COOKIE_NAME, file1Token)
                 .get();
+        Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
         is = (InputStream) response.getEntity();
         fileBytes = ByteStreams.toByteArray(is);
         Assert.assertEquals(MimeType.APPLICATION_ZIP, MimeTypeUtil.guessMimeType(fileBytes, null));