diff --git a/lib/dice.c b/lib/dice.c
index def7f88..fc3d847 100644
--- a/lib/dice.c
+++ b/lib/dice.c
@@ -23,6 +23,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "config.h"
+
 #ifndef HAVE_ARC4RANDOM_UNIFORM
 #include <bsd/stdlib.h>
 #endif