diff --git a/channel/channelapp/stub/cache.h b/channel/channelapp/stub/cache.h
index e75ac18..050c82a 100644
--- a/channel/channelapp/stub/cache.h
+++ b/channel/channelapp/stub/cache.h
@@ -39,6 +39,7 @@ distribution.
 */ 
 
 #include <gctypes.h>
+#include <gcbool.h>
 
 #define LC_BASEPREFIX		0xe000
 #define LC_BASE				(LC_BASEPREFIX<<16)