diff --git a/src/nspawn.c b/src/nspawn.c
index 2c1144a7f5..19d95b214f 100644
--- a/src/nspawn.c
+++ b/src/nspawn.c
@@ -37,6 +37,7 @@
 #include <termios.h>
 #include <sys/signalfd.h>
 #include <grp.h>
+#include <linux/fs.h>
 
 #include "log.h"
 #include "util.h"