1 files changed, 2 insertions, 0 deletions

diff --git a/helpers/mapping.py b/helpers/mapping.py
index 84845fc..60c7691 100644
--- a/helpers/mapping.py
+++ b/helpers/mapping.py
@@ -8,6 +8,7 @@ import yaml
 import sys
 
 from .music_file import *
+from .mixer import Mixer
 from . import yml_file,gain
 
 class Mapping(RelativeLayout):
@@ -23,6 +24,7 @@ class Mapping(RelativeLayout):
         self.running = []
         Clock.schedule_interval(self.not_all_keys_ready, 1)
 
+        self.mixer = Mixer()
 
     @property
     def master_gain(self):