diff --git a/libsrc/atari/ucase_fn.s b/libsrc/atari/ucase_fn.s
index eb3ebfb37..e53750e29 100644
--- a/libsrc/atari/ucase_fn.s
+++ b/libsrc/atari/ucase_fn.s
@@ -21,7 +21,7 @@
         .include        "atari.inc"
 
 .ifdef  DEFAULT_DEVICE
-        .importzp tmp2, tmp1
+        .importzp tmp2
         .import __defdev
 .endif
         .importzp tmp3,ptr4,sp