diff --git a/include/hasp_mem.h b/include/hasp_mem.h
index 1c87d68c..696702cf 100644
--- a/include/hasp_mem.h
+++ b/include/hasp_mem.h
@@ -5,7 +5,7 @@
 #define HASP_MEM_H
 
 #include <stdlib.h>
-
+#include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C" {