1 files changed, 2 insertions, 0 deletions
diff --git a/util.h b/util.h
index 6e9c8cf..c0f0214 100644
--- a/util.h
+++ b/util.h
@@ -1,3 +1,5 @@
+#include <stdbool.h>
+
 #ifndef __UTIL_H
 #define __UTIL_H