diff --git a/cfg/none.cfg b/cfg/none.cfg
index 44bbcdfec..cb8dbd400 100644
--- a/cfg/none.cfg
+++ b/cfg/none.cfg
@@ -3,7 +3,7 @@ SYMBOLS {
 }
 MEMORY {
     ZP:   file = "", define = yes, start = $0000, size = $0001F;
-    MAIN: file = %O,               start = %S,    size = $10000 - __STACKSIZE__;
+    MAIN: file = %O,               start = %S,    size = $10000 - __STACKSIZE__, define = yes;
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,   type = zp;