diff --git a/libmultipath/util.c b/libmultipath/util.c
index 8d8fcc8..3c284b7 100644
--- a/libmultipath/util.c
+++ b/libmultipath/util.c
@@ -463,5 +463,12 @@ int safe_write(int fd, const void *buf, size_t count)
 		count -= r;
 		buf = (const char *)buf + r;
 	}
+
+	/* sync->disk */
+	if (fsync(fd) < 0) {
+		condlog(0, "failed to fsync fd :%d", fd);
+		return -errno;
+	}
+
 	return 0;
 }