diff --git a/src/ld65/cfg/c64-asm.cfg b/src/ld65/cfg/c64-asm.cfg
index 0527be5d7..9ef6c724c 100644
--- a/src/ld65/cfg/c64-asm.cfg
+++ b/src/ld65/cfg/c64-asm.cfg
@@ -6,7 +6,7 @@ SYMBOLS {
 }
 MEMORY {
     LOADADDR: file = %O, start = %S - 2, size = $0002;
-    RAM:      file = %O, start = %S,     size = $10000 - %S;
+    RAM:      file = %O, start = %S,     size = $D000 - %S;
 }
 SEGMENTS {
     LOADADDR: load = LOADADDR, type = ro;