diff --git a/swtp6800/swtp6800/swtp_defs.h b/swtp6800/swtp6800/swtp_defs.h
index 9a935403..2466a5c0 100644
--- a/swtp6800/swtp6800/swtp_defs.h
+++ b/swtp6800/swtp6800/swtp_defs.h
@@ -25,7 +25,7 @@ Copyright (c) 2005-2012, William Beech
 */
 
 #include <ctype.h>
-#include "../../sim_defs.h"             // simulator defs
+#include "sim_defs.h"                   // simulator defs
 
 /* Memory */