diff --git a/board/freescale/imx8mm_evk/imx8mm_evk.c b/board/freescale/imx8mm_evk/imx8mm_evk.c
index a0af550f5e..c5fd940eeb 100644
--- a/board/freescale/imx8mm_evk/imx8mm_evk.c
+++ b/board/freescale/imx8mm_evk/imx8mm_evk.c
@@ -8,6 +8,7 @@
 #include <netdev.h>
 
 #include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
 #include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;