diff --git a/asminc/joy-kernel.inc b/asminc/joy-kernel.inc
index ba969da1d..c8cc29820 100644
--- a/asminc/joy-kernel.inc
+++ b/asminc/joy-kernel.inc
@@ -55,7 +55,7 @@
 ;------------------------------------------------------------------------------
 ; The JOY API version, stored in JOY_HDR::VERSION
 
-JOY_API_VERSION         = $03
+JOY_API_VERSION         = $04
 
 ;------------------------------------------------------------------------------
 ; Variables