diff --git a/testsuites/fstests/fsstatvfs/test.c b/testsuites/fstests/fsstatvfs/test.c
index 5314749652..2dc7998884 100644
--- a/testsuites/fstests/fsstatvfs/test.c
+++ b/testsuites/fstests/fsstatvfs/test.c
@@ -13,6 +13,7 @@
 #include <sys/statvfs.h>
 #include <string.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 #include "fstest.h"
 #include "fs_config.h"