diff --git a/SoundslabInput.py b/SoundslabInput.py
index 4a74f62..e309820 100644
--- a/SoundslabInput.py
+++ b/SoundslabInput.py
@@ -12,7 +12,7 @@ class SoundslabInputHandler:
         self.player_client.connect()
 
         # initialize connection to display
-        self.display = SoundslabDisplay(player_client)
+        self.display = SoundslabDisplay(self.player_client)
 
         # The buttons on Pirate Audio are connected to pins 5, 6, 16 and 24
         # Boards prior to 23 January 2020 used 5, 6, 16 and 20