diff --git a/wip-hugo/routines/text/char_draw.s b/wip-hugo/routines/text/char_draw.s
index 0dcfd2d..c0dca5c 100644
--- a/wip-hugo/routines/text/char_draw.s
+++ b/wip-hugo/routines/text/char_draw.s
@@ -48,7 +48,7 @@ calculate_screen_position:
 	AND Y_pos ;; offset to add
 	CLC
 	ADC X_pos
-	Add_16 screen_position, screen_position + 1, A, #$00
+	Add_16 screen_position, screen_position + 1, A, #$00, !
 
 move_data:
         ;; One character is 8 byte, move these bytes to screen