1 files changed, 2 insertions, 0 deletions

diff --git a/dogs.h b/dogs.h
index 194c3e1..8af24fd 100644
--- a/dogs.h
+++ b/dogs.h
@@ -12,6 +12,8 @@
 #ifndef DOGS_H_
 #define DOGS_H_
 
+#include <stdbool.h>
+
 #define DISP_WIDTH  102
 #define DISP_HEIGHT 64