diff --git a/libsrc/atari/_sys.s b/libsrc/atari/_sys.s
new file mode 100644
index 000000000..66e4905ec
--- /dev/null
+++ b/libsrc/atari/_sys.s
@@ -0,0 +1,13 @@
+;
+; Christian Groessler, 17-Sep-2013
+;
+; Override _sys() function for Atari targets:
+;   'atari'    gets the regular function
+;   'atarixl'  doesn't support the _sys() function
+;
+
+.ifndef __ATARIXL__
+
+.include "../common/_sys.s"
+
+.endif