diff --git a/drivers/gdisp/PCD8544/board_PCD8544_template.h b/drivers/gdisp/PCD8544/board_PCD8544_template.h
index 08ec130d..6dd61429 100644
--- a/drivers/gdisp/PCD8544/board_PCD8544_template.h
+++ b/drivers/gdisp/PCD8544/board_PCD8544_template.h
@@ -21,6 +21,11 @@ static inline void setpin_reset(GDisplay *g, bool_t state) {
 	(void) state;
 }
 
+static inline void set_backlight(GDisplay *g, uint8_t percent) {
+	(void) g;
+	(void) percent;
+}
+
 static inline void acquire_bus(GDisplay *g) {
 	(void) g;
 }