diff --git a/inc/tz/get.php b/inc/tz/get.php
index f8847c64..2c522fa2 100644
--- a/inc/tz/get.php
+++ b/inc/tz/get.php
@@ -45,8 +45,8 @@ if ( $qry->QDo('SELECT * FROM tz_localnames WHERE our_tzno = :our_tzno', array('
 
 header( 'ETag: "'.$tz->etag.'"' );
 header( 'Last-Modified', $tz->last_modified );
-header( 'Content-Disposition', 'Attachment; Filename="'.str_replace('/','-',$tzid . '.ics"' );
+header( 'Content-Disposition', 'Attachment; Filename="'.str_replace('/','-',$tzid . '.ics"' ));
 
 $request->DoResponse(200, $vtz->Render(), 'text/calendar; charset=UTF-8');
 
-exit(0);
\ No newline at end of file
+exit(0);
diff --git a/zonedb/update-tzdata.sh b/zonedb/update-tzdata.sh
index 35808bf3..03f4eed0 100755
--- a/zonedb/update-tzdata.sh
+++ b/zonedb/update-tzdata.sh
@@ -13,5 +13,5 @@ TZDATAFILE="`ls -t tzdata*.tar.gz|tail -n 1`"
   mkdir tzdata && cd tzdata && tar -xfz ../$TZDATAFILE
 )
 
-vzic --olson-dir tzdata --output-dir vtimezones
+vzic --pure --olson-dir tzdata --output-dir vtimezones
 echo "Olson `echo $TZDATAFILE | cut -f1 -d.`" >vtimezones/primary-source