diff --git a/src/test/rbd/fsx.c b/src/test/rbd/fsx.c
index 3f855b3779e..8838fd3c300 100644
--- a/src/test/rbd/fsx.c
+++ b/src/test/rbd/fsx.c
@@ -20,6 +20,7 @@
 #include <time.h>
 #include <strings.h>
 #include <sys/file.h>
+#include <sys/stat.h>
 #include <sys/mman.h>
 #ifdef HAVE_ERR_H
 #include <err.h>