diff --git a/app.py b/app.py
index d724b49..78e3360 100644
--- a/app.py
+++ b/app.py
@@ -11,6 +11,8 @@ outputs = link.list_outputs()
 source = outputs[-1]
 sink = inputs[-1]
 audio_controller = Controller()
+interface = audio_controller.get_list_interfaces(type_interfaces="Client",filtered_by_type=True,)
+steam=interface[-1]
 
 # initialization
 app = Flask(__name__)
@@ -61,7 +63,7 @@ def disconnect():
 
 @app.route('/api/volume/<float:vol>')
 def set_volume(vol):
-    audio_controller.set_config(volume=vol)
+    steam.set_config(volume=vol)
     return jsonify({'data': 'volume set'})
 
 if __name__ == '__main__':