diff --git a/src/osal/lv_freertos.h b/src/osal/lv_freertos.h
index ab80144bc..06f98f39a 100644
--- a/src/osal/lv_freertos.h
+++ b/src/osal/lv_freertos.h
@@ -19,6 +19,8 @@ extern "C" {
 /*********************
  *      INCLUDES
  *********************/
+#include "lv_os.h"
+
 #if LV_USE_OS == LV_OS_FREERTOS
 
 #include "FreeRTOS.h"