diff --git a/src/ld65/cfg/pet.cfg b/src/ld65/cfg/pet.cfg
index 005b4a8d5..1d5b7f831 100644
--- a/src/ld65/cfg/pet.cfg
+++ b/src/ld65/cfg/pet.cfg
@@ -1,5 +1,5 @@
 MEMORY {
-    ZP: start = $02, size = $1A, type = rw, define = yes;
+    ZP: start = $55, size = $1A, type = rw, define = yes;
     RAM: start = $03FF, size = $7BFF, file = %O;
 }
 SEGMENTS {