diff --git a/cfg/apple2-hgr.cfg b/cfg/apple2-hgr.cfg
index 536491c67..b11dd12bc 100644
--- a/cfg/apple2-hgr.cfg
+++ b/cfg/apple2-hgr.cfg
@@ -19,7 +19,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,             type = zp;
-    EXEHDR:   load = HEADER,         type = ro;
+    EXEHDR:   load = HEADER,         type = ro,  optional = yes;
     STARTUP:  load = MAIN,           type = ro;
     LOWCODE:  load = MAIN,           type = ro,  optional = yes;
     HGR:      load = MAIN,           type = rw,  optional = yes, start = $2000;
diff --git a/cfg/apple2-overlay.cfg b/cfg/apple2-overlay.cfg
index e6a5ae25c..d5476d264 100644
--- a/cfg/apple2-overlay.cfg
+++ b/cfg/apple2-overlay.cfg
@@ -36,7 +36,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,             type = zp;
-    EXEHDR:   load = HEADER,         type = ro;
+    EXEHDR:   load = HEADER,         type = ro,                optional = yes;
     STARTUP:  load = MAIN,           type = ro,  define = yes;
     LOWCODE:  load = MAIN,           type = ro,                optional = yes;
     CODE:     load = MAIN,           type = ro;
diff --git a/cfg/apple2.cfg b/cfg/apple2.cfg
index eba2a0e66..bbe45839d 100644
--- a/cfg/apple2.cfg
+++ b/cfg/apple2.cfg
@@ -19,7 +19,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,             type = zp;
-    EXEHDR:   load = HEADER,         type = ro;
+    EXEHDR:   load = HEADER,         type = ro,  optional = yes;
     STARTUP:  load = MAIN,           type = ro;
     LOWCODE:  load = MAIN,           type = ro,  optional = yes;
     CODE:     load = MAIN,           type = ro;
diff --git a/cfg/apple2enh-hgr.cfg b/cfg/apple2enh-hgr.cfg
index 536491c67..b11dd12bc 100644
--- a/cfg/apple2enh-hgr.cfg
+++ b/cfg/apple2enh-hgr.cfg
@@ -19,7 +19,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,             type = zp;
-    EXEHDR:   load = HEADER,         type = ro;
+    EXEHDR:   load = HEADER,         type = ro,  optional = yes;
     STARTUP:  load = MAIN,           type = ro;
     LOWCODE:  load = MAIN,           type = ro,  optional = yes;
     HGR:      load = MAIN,           type = rw,  optional = yes, start = $2000;
diff --git a/cfg/apple2enh-overlay.cfg b/cfg/apple2enh-overlay.cfg
index e6a5ae25c..d5476d264 100644
--- a/cfg/apple2enh-overlay.cfg
+++ b/cfg/apple2enh-overlay.cfg
@@ -36,7 +36,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,             type = zp;
-    EXEHDR:   load = HEADER,         type = ro;
+    EXEHDR:   load = HEADER,         type = ro,                optional = yes;
     STARTUP:  load = MAIN,           type = ro,  define = yes;
     LOWCODE:  load = MAIN,           type = ro,                optional = yes;
     CODE:     load = MAIN,           type = ro;
diff --git a/cfg/apple2enh.cfg b/cfg/apple2enh.cfg
index eba2a0e66..bbe45839d 100644
--- a/cfg/apple2enh.cfg
+++ b/cfg/apple2enh.cfg
@@ -19,7 +19,7 @@ MEMORY {
 }
 SEGMENTS {
     ZEROPAGE: load = ZP,             type = zp;
-    EXEHDR:   load = HEADER,         type = ro;
+    EXEHDR:   load = HEADER,         type = ro,  optional = yes;
     STARTUP:  load = MAIN,           type = ro;
     LOWCODE:  load = MAIN,           type = ro,  optional = yes;
     CODE:     load = MAIN,           type = ro;