diff --git a/rpi/roy-test.py b/rpi/roy-test.py
index bd3577a..dcae38e 100644
--- a/rpi/roy-test.py
+++ b/rpi/roy-test.py
@@ -16,7 +16,7 @@ offscreen_canvas = matrix.CreateFrameCanvas()
 
 
 color = 0
-def toggleColor(self):
+def toggleColor():
     global color
     if(color == 1):
         color = 0