diff --git a/bsp/efm32/graphics/tftspi.h b/bsp/efm32/graphics/tftspi.h
index a36e76cdf7..1399fc552e 100644
--- a/bsp/efm32/graphics/tftspi.h
+++ b/bsp/efm32/graphics/tftspi.h
@@ -16,6 +16,8 @@
 #ifndef __TFTSPI_H__
 #define __TFTSPI_H__
 
+#include <rtthread.h>
+
 /* Includes ------------------------------------------------------------------*/
 /* Exported types ------------------------------------------------------------*/
 /* Exported constants --------------------------------------------------------*/