diff --git a/random_seed.c b/random_seed.c
index 2e7cd5e..3b61b77 100644
--- a/random_seed.c
+++ b/random_seed.c
@@ -11,6 +11,7 @@
 
 #include <stdio.h>
 #include "config.h"
+#include "random_seed.h"
 
 #define DEBUG_SEED(s)