diff --git a/package/vboot-utils/0002-ssize-t.patch b/package/vboot-utils/0002-ssize-t.patch
new file mode 100644
index 0000000000..9f1df453ad
--- /dev/null
+++ b/package/vboot-utils/0002-ssize-t.patch
@@ -0,0 +1,14 @@
+The code uses ssize_t which is usually defined in <unistd.h>
+
+Signed-off-by: Alex Suykov <alex.suykov@gmail.com>
+
+--- a/host/lib/fmap.c
++++ a/host/lib/fmap.c
+@@ -6,6 +6,7 @@
+ 
+ #include <stdio.h>
+ #include <string.h>
++#include <unistd.h>
+ 
+ #include "fmap.h"
+