diff --git a/controllers/default.py b/controllers/default.py
index 7f8c40a..b3ee1d1 100644
--- a/controllers/default.py
+++ b/controllers/default.py
@@ -18,7 +18,8 @@ def manage():
     return dict(grid=grid)
 
 def vtt():
-    return dict(message=transcription_tools.create_vtt())
+    return dict(message=transcription_tools.create_vtt(
+        '/home/mschmidt/Videos/100-Meinungen-Video-erstellen.mp4'))
 
 def user():
     return dict(form=auth())
\ No newline at end of file
diff --git a/modules/transcription_tools/__init__.py b/modules/transcription_tools/__init__.py
index cd08105..f421c84 100644
--- a/modules/transcription_tools/__init__.py
+++ b/modules/transcription_tools/__init__.py
@@ -24,14 +24,14 @@ import json
 import datetime
 
 
-def create_vtt():
+def create_vtt(video_path):
     sample_rate = 16000
     model = Model("applications/transcription/private/model")
     rec = KaldiRecognizer(model, sample_rate)
     rec.SetWords(True)
 
     process = subprocess.Popen(['ffmpeg', '-loglevel', 'quiet', '-i',
-                                '/home/mschmidt/Videos/100-Meinungen-Video-erstellen.mp4',
+                                video_path,
                                 '-ar', str(sample_rate) , '-ac', '1', '-f', 's16le', '-'],
                                 stdout=subprocess.PIPE)