diff --git a/3rdparty/yapb b/3rdparty/yapb
index f8650ae..21045db 160000
--- a/3rdparty/yapb
+++ b/3rdparty/yapb
@@ -1 +1 @@
-Subproject commit f8650aebd58be6c004d34cde4bb142aca8cfbefb
+Subproject commit 21045db08e1c8e8c899897cb83c6c623fb04b5df
diff --git a/common/cvardef.h b/common/cvardef.h
index ed1bddb..1f1c8a6 100644
--- a/common/cvardef.h
+++ b/common/cvardef.h
@@ -35,6 +35,8 @@ typedef struct cvar_s
 } cvar_t;
 
 
+typedef int qboolean;
+
 // WARNING: Private structure from Xash3D Engine. Use with caution
 typedef struct convar_s
 {