diff --git a/Firmware/ultralcd.h b/Firmware/ultralcd.h
index e2f0f2044..a134965d5 100755
--- a/Firmware/ultralcd.h
+++ b/Firmware/ultralcd.h
@@ -48,7 +48,7 @@ void lcd_pause_print();
 void lcd_pause_usb_print();
 void lcd_resume_print();
 void lcd_print_stop();
-void prusa_statistics(int _message, uint8_t _col_nr = 0);
+void prusa_statistics(uint8_t _message, uint8_t _col_nr = 0);
 void lcd_load_filament_color_check();
 //void lcd_mylang();