diff --git a/libsrc/atari/crt0.s b/libsrc/atari/crt0.s
index 844b70368..9e3026625 100644
--- a/libsrc/atari/crt0.s
+++ b/libsrc/atari/crt0.s
@@ -233,9 +233,11 @@ L2:     lda     zpsave,x
 .bss
 
 spsave:         .res    1
-appmsav:        .res    1
 old_shflok:     .res    1
 old_lmargin:    .res    1
+.if .not .defined(__ATARIXL__)
+appmsav:        .res    1
+.endif
 
         .segment "AUTOSTRT"
         .word   RUNAD                   ; defined in atari.h