diff --git a/bin/slubsipbuilder.pl b/bin/slubsipbuilder.pl
index fddf6c8eda406a28975e79360f7a28807e45b2df..a3ff39663c47de22ca260b107b04d330e66145da 100755
--- a/bin/slubsipbuilder.pl
+++ b/bin/slubsipbuilder.pl
@@ -46,7 +46,6 @@ my $directory;
 my $ppn;
 my $noppn;
 my $output;
-my $url;
 my $as_zip;
 my $external_id;
 my $external_workflow;
@@ -64,7 +63,6 @@ GetOptions(
     "noppn=s"                       => \$noppn,                         # semi-optional (choice 2 of 2)
     "SIP_output_path=s"             => \$output,                        # required
     "as_zip"                        => \$as_zip,                        # optional, default: do not zip
-    "url=s"                         => \$url,                           # optional, default: SWB Online-Katalog
     "external_id=s"                 => \$external_id,                   # required
     "external_workflow=s"           => \$external_workflow,             # required
     "external_ISIL=s"               => \$external_isil,                 # optional, default: no ISIL
@@ -81,13 +79,14 @@ if (!defined $directory)                    { confess("you need to specify an IE
 if ((defined $ppn) && (defined $noppn))     { confess("you can only specify either -ppn or -noppn"); }
 if ((!defined $ppn) && (!defined $noppn))   { confess("you need to specify a PPN with -ppn or use --noppn"); }
 if (!defined $output)                       { confess("you need to specify an output path, where the SIP will be stored"); }
-if (!defined $url)                          { $url = "http://swb.bsz-bw.de/sru/DB=2.1/username=/password=/";}
 if (!defined $external_conservation_flag)   { $external_conservation_flag="false"; } else { $external_conservation_flag="true"; }
 if (! -d $directory)                        { confess("you need to specify an IE directory, which needs to be archived, $!"); }
 if ($directory !~ m#^/#)                    { $directory = abs_path($directory); }
 if ($external_id !~ m#^[a-z0-9]+$#)         { confess("you need to specify a valid external ID (^[a-z0-9]+\$)"); }
 if ($external_workflow !~ m#^[a-z0-9]+$#)   { confess("you need to specify a valid external workflow (^[a-z0-9]+\$)"); }
 if (!$external_value_descr)                 { confess("you need to specify an external value description (reason for archiving)"); }
+my ($url, $searchkey, $recordschema);
+if (defined $ppn) { $url="https://sru.bsz-bw.de/swb"; $searchkey="pica.swn"; $recordschema="marcxmlvbos"; };
 
 #===============================================================================
 
@@ -168,9 +167,11 @@ PATCH2
     return $result;
 }
 
-sub get_mods_from ($$) { # $mods = ($url, $ppn)
+sub get_mods_from ($$$$) { # $mods = ($url, $ppn, $searchkey, $recordschema)
     my $url = shift;
     my $ppn = shift; # example: "457035137"  for "Der Fichtelberg"
+    my $key = shift;
+    my $schema = shift;
 
     # check xsl directory
     my $xsl_dir = dirname(__FILE__) . '/../xsl/';
@@ -220,11 +221,13 @@ sub get_mods_from ($$) { # $mods = ($url, $ppn)
     }
 
     my $srubase=$url; # host
-    my $srusearchkey="pica.ppn";
+    my $srusearchkey=$key; # SRU search key
     my $sruvalue=$ppn;
     my $srumaxrecords=1;
-    my $sruschema="marc21";
-    my $sru = "${srubase}?query=${srusearchkey}+%3D+%22${sruvalue}%22&startRecord=1&maximumRecords=${srumaxrecords}&recordSchema=${sruschema}&recordPacking=xml&version=1.1&stylesheet=http%3A%2F%2Fswb2.bsz-bw.de%2Fsru%2FDB%3D2.1%2F%3Fxsl%3DsearchRetrieveResponse";
+    my $srustartrecord=1;
+    my $sruschema=$schema;
+    my $sru = "${srubase}?version=1.1&query=${srusearchkey}%3D${sruvalue}&operation=searchRetrieve&maximumRecords=${srumaxrecords}&startRecord=${srustartrecord}&recordSchema=${sruschema}";
+    if ($with_debug) { say "catalog-URL='$sru'"; };
     my $record = $ua->get($sru); # ask SWB for given PPN
     if ($record->is_success) {
         # parse ZiNG repsonse, extract MARC-data
@@ -286,7 +289,7 @@ sub main {
     # prepare dmd-sec
     my $mods;
     if (defined $ppn) {
-        $mods = get_mods_from($url, $ppn);
+        $mods = get_mods_from($url, $ppn, $searchkey, $recordschema);
         if ($with_debug) {
             write_file("DEBUG_${ppn}_mods.xml", $mods);
         }
@@ -476,10 +479,9 @@ slubsipbuilder.pl  [options]
         -man                            full documentation
 
         -IE_directory=<IE dir>          existing IE directory (absolute path!)
-        -ppn=<ppn>|-noppn=<noppn>       PPN (swb catalogue) or any identifier (uses minimalistic MODS)
+        -ppn=<ppn>|-noppn=<noppn>       SWB-PPN or any identifier (uses minimalistic MODS)
         -SIP_output_path=<target dir>   where to put the SIP dir (absolute path!)
         -as_zip                         optional, if set a ZIP will be created
-        -url=<SRU url>                  optional, URL of the SRU for PICA catalogues
         -external_id=<id>               mandatory, should be uniqe ID
         -external_workflow=<workflow>   mandatory, should be uniqe workflow name
         -external_ISIL=<isil>           optional, ISIL number of library