diff --git a/Code/thermal_printer/printer.h b/Code/thermal_printer/printer.h
index 9b4bb1f..2f226e1 100644
--- a/Code/thermal_printer/printer.h
+++ b/Code/thermal_printer/printer.h
@@ -32,7 +32,7 @@ uint8_t print_lines8(CONFIG*);
 
 uint8_t invert_bit(uint8_t a);
 
-uint8_t print_image6(CONFIG*);
+uint8_t print_image8(CONFIG*);
 void print_cut_line(CONFIG*);
 
 void printer_set_font(CONFIG*cfg,uint8_t fnbits);