diff --git a/libsrc/atari/open.s b/libsrc/atari/open.s
index 73361336f..ee6628381 100644
--- a/libsrc/atari/open.s
+++ b/libsrc/atari/open.s
@@ -65,7 +65,6 @@ iocbok:	stx	tmp4
 
 .ifndef	UCASE_FILENAME
 invret:	lda	#<EINVAL	; file name is too long
-	ldx	#>EINVAL
 	jmp	seterr
 .endif
 
@@ -96,7 +95,6 @@ cont:	ldy	#3
 	jsr	ucase_fn
 	bcc	ucok1
 invret:	lda	#<EINVAL	; file name is too long
-	ldx	#>EINVAL
 	jmp	seterr
 ucok1: