diff --git a/libsrc/atari/open.s b/libsrc/atari/open.s
index 2d7957a93..e45f7813f 100644
--- a/libsrc/atari/open.s
+++ b/libsrc/atari/open.s
@@ -5,7 +5,7 @@
 ;
 
 	.include "atari.inc"
-	.include "fmode.inc"
+	.include "fcntl.inc"
 	.include "errno.inc"
 	.export	_open
 	.import	clriocb
@@ -66,7 +66,7 @@ invret:	lda	#<EINVAL	; file name is too long
 	ldx	#>EINVAL
 	jmp	seterr
 .endif
-	
+
 no_app:	pla
 	and	#15
 	cmp	#O_RDONLY