diff --git a/src/ld65/cfg/cbm510.cfg b/src/ld65/cfg/cbm510.cfg
index 2b15bb926..29a398155 100644
--- a/src/ld65/cfg/cbm510.cfg
+++ b/src/ld65/cfg/cbm510.cfg
@@ -1,7 +1,7 @@
 MEMORY {
     BASICHDR: start = $0001, size = $0050, fill = yes, fillval = 0, type = rw, file = %O;
-    ZP:       start = $0051, size = $00A6, fill = yes, fillval = 0, type = rw, file = %O, define = yes;
-    STARTUP:  start = $00F7, size = $0109, fill = yes, fillval = 0, file = %O;
+    ZP:       start = $0051, size = $00AD, fill = yes, fillval = 0, type = rw, file = %O, define = yes;
+    STARTUP:  start = $00FE, size = $0102, fill = yes, fillval = 0, file = %O;
     PAGE2:    start = $0200, size = $0100, fill = yes, fillval = 0, file = %O;
     PAGE3:    start = $0300, size = $0100, fill = yes, fillval = 0, file = %O;
     RAM:      start = $0400, size = $DC00, file = %O;