diff --git a/include/lv_conf_v7.h b/include/lv_conf_v7.h
index bd7bc1af..e32f60ca 100644
--- a/include/lv_conf_v7.h
+++ b/include/lv_conf_v7.h
@@ -211,7 +211,10 @@ typedef void* lv_group_user_data_t;
 typedef void* lv_fs_drv_user_data_t;
 
 /*File system interface*/
+#ifndef LV_USE_FS_IF
 #define LV_USE_FS_IF	      !defined(STM32)
+#endif
+
 #if LV_USE_FS_IF
 #  define LV_FS_IF_FATFS    '\0'
 #if defined(STM32F4xx) // || defined(ARDUINO_ARCH_ESP8266)