diff --git a/sobel.py b/sobel.py
index a871af3..8f459f6 100644
--- a/sobel.py
+++ b/sobel.py
@@ -25,8 +25,8 @@ TEXT_HEIGHT = 11
 SCALE_FACTOR = 2
 RESIZE_FACTOR = 2
 
-SCALED_WIDTH = math.floor(TEXT_WIDTH / SCALE_FACTOR)
-SCALED_HEIGHT = math.floor(TEXT_HEIGHT / SCALE_FACTOR)
+SCALED_WIDTH = TEXT_WIDTH // SCALE_FACTOR
+SCALED_HEIGHT = TEXT_HEIGHT // SCALE_FACTOR
 
 DEBUG = True