diff --git a/backend/model/threading/MetadataLoader.ts b/backend/model/threading/MetadataLoader.ts
index d8885783..b8decde0 100644
--- a/backend/model/threading/MetadataLoader.ts
+++ b/backend/model/threading/MetadataLoader.ts
@@ -53,7 +53,7 @@ export class MetadataLoader {
                 }
 
                 if (Utils.isInt32(parseInt(data.streams[i].bit_rate, 10))) {
-                  metadata.duration = parseInt(data.streams[i].bit_rate, 10) || null;
+                  metadata.bitRate = parseInt(data.streams[i].bit_rate, 10) || null;
                 }
                 metadata.creationDate = Date.parse(data.streams[i].tags.creation_time);
                 break;
diff --git a/test/backend/unit/assets/video.json b/test/backend/unit/assets/video.json
new file mode 100644
index 00000000..2a5afc94
--- /dev/null
+++ b/test/backend/unit/assets/video.json
@@ -0,0 +1,10 @@
+{
+  "bitRate": 11464,
+  "creationDate": 1550265200000,
+  "duration": 13666,
+  "fileSize": 251571,
+  "size": {
+    "height": 60,
+    "width": 80
+  }
+}
diff --git a/test/backend/unit/assets/video.mp4 b/test/backend/unit/assets/video.mp4
new file mode 100644
index 00000000..a4f6ee5d
Binary files /dev/null and b/test/backend/unit/assets/video.mp4 differ
diff --git a/test/backend/unit/model/threading/DiskMangerWorker.spec.ts b/test/backend/unit/model/threading/DiskMangerWorker.spec.ts
index b045bb95..6ca7997e 100644
--- a/test/backend/unit/model/threading/DiskMangerWorker.spec.ts
+++ b/test/backend/unit/model/threading/DiskMangerWorker.spec.ts
@@ -11,7 +11,7 @@ describe('DiskMangerWorker', () => {
     Config.Server.imagesFolder = path.join(__dirname, '/../../assets');
     ProjectPath.ImageFolder = path.join(__dirname, '/../../assets');
     const dir = await DiskMangerWorker.scanDirectory('/');
-    expect(dir.media.length).to.be.equals(3);
+    expect(dir.media.length).to.be.equals(4);
     const expected = require(path.join(__dirname, '/../../assets/test image öüóőúéáű-.,.json'));
     expect(Utils.clone(dir.media[1].name)).to.be.deep.equal('test image öüóőúéáű-.,.jpg');
     expect(Utils.clone(dir.media[1].metadata)).to.be.deep.equal(expected);
diff --git a/test/backend/unit/model/threading/MetaDataLoader.spec.ts b/test/backend/unit/model/threading/MetaDataLoader.spec.ts
index 468fa9ff..e271bec4 100644
--- a/test/backend/unit/model/threading/MetaDataLoader.spec.ts
+++ b/test/backend/unit/model/threading/MetaDataLoader.spec.ts
@@ -31,4 +31,12 @@ describe('MetadataLoader', () => {
     expect(Utils.clone(data)).to.be.deep.equal(expected);
   });
 
+
+  it('should load mp4', async () => {
+    const data = await MetadataLoader.loadVideoMetadata(path.join(__dirname, '/../../assets/video.mp4'));
+    const expected = require(path.join(__dirname, '/../../assets/video.json'));
+    expect(Utils.clone(data)).to.be.deep.equal(expected);
+  });
+
+
 });