diff --git a/gametest.py b/gametest.py
index 5d4848c..63e1f61 100644
--- a/gametest.py
+++ b/gametest.py
@@ -338,7 +338,7 @@ while True: # main loop
         screen.blit(score1_surface, score1_rectangle)
         screen.blit(score2_surface, score2_rectangle)
         screen.blit(score3_surface, score3_rectangle)
-        screen.blit(img_itlablogo_image, (screenx-img_itlablogo_imagex-20, screeny-img_itlablogo_imagey-20))
+        screen.blit(img_itlablogo_image, (ScreenSizeX-img_itlablogo_imagex-20, screenSizeY-img_itlablogo_imagey-20))
 
         pygame.display.flip()