diff --git a/st7567/st7567-common.h b/st7567/st7567-common.h
index e9d3af5..32a5710 100644
--- a/st7567/st7567-common.h
+++ b/st7567/st7567-common.h
@@ -2,6 +2,7 @@
 
 #include <esp_err.h>
 #include <stdint.h>
+#include <soc/gpio_num.h>
 
 // ST7567 command set
 #define ST7567_CMD_DISPLAY_OFF       0xAE