diff --git a/test/overlay/cmd_ut_overlay.c b/test/overlay/cmd_ut_overlay.c
index f7ff937..3d34c8a 100644
--- a/test/overlay/cmd_ut_overlay.c
+++ b/test/overlay/cmd_ut_overlay.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <command.h>
 #include <errno.h>
+#include <fdt_support.h>
 #include <malloc.h>
 
 #include <linux/sizes.h>