diff --git a/src/ld65/cfg/cbm510.cfg b/src/ld65/cfg/cbm510.cfg
index bb65bdb50..4fe447269 100644
--- a/src/ld65/cfg/cbm510.cfg
+++ b/src/ld65/cfg/cbm510.cfg
@@ -1,7 +1,8 @@
 MEMORY {
     ZP: start = $02, size = $1A, type = rw;
-    RAM: start = $0001, size = $F3FF, file = %O;
-    VIDRAM: start = $F400, size = $0400, define = yes, file = "";
+    RAM: start = $0001, size = $DFFF, file = %O;
+    CHARRAM: start = $E000, size = $1000, define = yes, file = "";
+    VIDRAM: start = $F000, size = $0400, define = yes, file = "";
 }
 SEGMENTS {
     CODE: load = RAM, type = wprot;