diff --git a/cfg/atari7800.cfg b/cfg/atari7800.cfg
index 1eed534f3..5a3351e75 100644
--- a/cfg/atari7800.cfg
+++ b/cfg/atari7800.cfg
@@ -39,7 +39,7 @@ MEMORY {
 
 SEGMENTS {
     ZEROPAGE:   load = ZP,              type = zp;
-    EXTZP:      load = ZP,              type = zp;
+    EXTZP:      load = ZP,              type = zp,  optional = yes;
     EXEHDR:     load = HEADER,          type = ro,  optional = yes;
     STARTUP:    load = ROMS,            type = ro,  define = yes;
     ONCE:       load = ROMS,            type = ro,  define = yes;