diff --git a/src/random-seed/random-seed.c b/src/random-seed/random-seed.c
index 2fcbcb281a..596bff98f1 100644
--- a/src/random-seed/random-seed.c
+++ b/src/random-seed/random-seed.c
@@ -19,6 +19,7 @@
 #include "io-util.h"
 #include "log.h"
 #include "main-func.h"
+#include "missing_random.h"
 #include "missing_syscall.h"
 #include "mkdir.h"
 #include "parse-util.h"