diff --git a/Intel-Systems/isys8020/system_defs.h b/Intel-Systems/isys8020/system_defs.h
index a00e72a1..6a9a6b27 100644
--- a/Intel-Systems/isys8020/system_defs.h
+++ b/Intel-Systems/isys8020/system_defs.h
@@ -29,7 +29,7 @@
 
 #include <stdio.h>
 #include <ctype.h>
-#include "isys8010_cfg.h"               /* Intel System 80/10 configuration */
+#include "isys8020_cfg.h"               /* Intel System 80/20 configuration */
 #include "sim_defs.h"		        /* simulator defns */
 
 /* multibus interrupt definitions */