diff --git a/libsrc/atmos/crt0.s b/libsrc/atmos/crt0.s
index c95f8f55d..4bbebbc74 100644
--- a/libsrc/atmos/crt0.s
+++ b/libsrc/atmos/crt0.s
@@ -9,7 +9,7 @@
 	.export		_exit
 	.import		initlib, donelib
 	.import	     	callmain, zerobss
-       	.import	       	__RAM_START__, __RAM_SIZE__, __RAM_LAST__
+       	.import	       	__RAM_START__, __RAM_SIZE__, __BSS_LOAD__
 
         .include        "zeropage.inc"
         .include        "atmos.inc"
@@ -27,7 +27,7 @@
         .byte   $00                             ; $2AF
         .byte   $80                             ; $2AE Machine code flag
         .byte   $C7                             ; $2AD Autoload flag
-        .dbyt   __RAM_START__ + __RAM_LAST__    ; $2AB
+        .dbyt   __BSS_LOAD__                    ; $2AB           
         .dbyt   __RAM_START__                   ; $2A9
         .byte   $00                             ; $2A8
         .byte   $00                             ; Zero terminated name