diff --git a/cfg/geos-apple.cfg b/cfg/geos-apple.cfg
index 1900c4866..746e1f2bf 100644
--- a/cfg/geos-apple.cfg
+++ b/cfg/geos-apple.cfg
@@ -32,7 +32,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE:  type = zp,  load = ZP;
-    EXTZP:     type = zp,  load = ZP;
+    EXTZP:     type = zp,  load = ZP,                 optional   = yes;
     EXTBSS:    type = bss, load = EXT,                define     = yes,  optional = yes;
     FILEINFO:  type = ro,                 load = CVT, offset     = $002;
     RECORDS:   type = ro,                 load = CVT, offset     = $100, optional = yes;
diff --git a/cfg/geos-cbm.cfg b/cfg/geos-cbm.cfg
index f2aea55a2..ddef00a99 100644
--- a/cfg/geos-cbm.cfg
+++ b/cfg/geos-cbm.cfg
@@ -31,7 +31,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE:  type = zp,  load = ZP;
-    EXTZP:     type = zp,  load = ZP;
+    EXTZP:     type = zp,  load = ZP,                 optional   = yes;
     DIRENTRY:  type = ro,                 load = CVT, align      = $FE;
     FILEINFO:  type = ro,                 load = CVT, align      = $FE;
     RECORDS:   type = ro,                 load = CVT, align      = $FE, optional = yes;