diff --git a/libsrc/apple2/open.s b/libsrc/apple2/open.s
index 2e867a66f..e7f603aa5 100644
--- a/libsrc/apple2/open.s
+++ b/libsrc/apple2/open.s
@@ -9,7 +9,7 @@
 
         .export 	_open, closedirect, freebuffer
         .export 	__filetype, __auxtype
-        .destructor	closeallfiles, 17
+        .destructor	closeallfiles, 5
 
         .import		pushname, popname
         .import		iobuf_alloc, iobuf_free
diff --git a/libsrc/atari/open.s b/libsrc/atari/open.s
index ee6628381..aeeee44e9 100644
--- a/libsrc/atari/open.s
+++ b/libsrc/atari/open.s
@@ -10,7 +10,7 @@
 	.include "fd.inc"
 
 	.export	_open
-        .destructor     closeallfiles, 17
+        .destructor     closeallfiles, 5
 
 	.import _close
 	.import	clriocb
diff --git a/libsrc/cbm/open.s b/libsrc/cbm/open.s
index 0d167a844..df6634593 100644
--- a/libsrc/cbm/open.s
+++ b/libsrc/cbm/open.s
@@ -9,7 +9,7 @@
 
 
         .export         _open
-        .destructor     closeallfiles, 17
+        .destructor     closeallfiles, 5
 
         .import         SETLFS, OPEN, CLOSE
         .import         addysp, popax
@@ -100,7 +100,7 @@ parmok: jsr     popax           ; Get flags
 
 ; Error entry. Sets _errno, clears _oserror, returns -1
 
-seterrno:                    
+seterrno:
         jmp     __directerrno
 
 ; Error entry: Close the file and exit. OS error code is in A on entry
diff --git a/libsrc/common/atexit.s b/libsrc/common/atexit.s
index b66cce8e8..7bb063306 100644
--- a/libsrc/common/atexit.s
+++ b/libsrc/common/atexit.s
@@ -5,7 +5,7 @@
 ;
 
       	.export		_atexit
-       	.destructor	doatexit, 5
+       	.destructor	doatexit, 17
  	.import	 	callax
 
 	.include	"errno.inc"