diff --git a/lib/script/stack.h b/lib/script/stack.h
index 60adbf7b1..dbc0948f3 100644
--- a/lib/script/stack.h
+++ b/lib/script/stack.h
@@ -28,7 +28,7 @@
 //String support
 //-----------------------------
 #define MAXSTRLEN	255					//Max len of a single string
-#define MAXSTACKLEN	6000
+#define MAXSTACKLEN	8000
 
 /* Initialise the stack */
 extern BOOL stackInitialise(void);