diff --git a/installer/data/mysql/updatedatabase30.pl b/installer/data/mysql/updatedatabase30.pl
index abdbc767df..68b2796fba 100644
--- a/installer/data/mysql/updatedatabase30.pl
+++ b/installer/data/mysql/updatedatabase30.pl
@@ -759,8 +759,8 @@ if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
 
 $DBversion = "3.00.06.010";
 if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
-    $dbh->do("INSERT systempreferences set value='../koha-tmpl/opac-tmpl/prog/en/xslt/".C4::Context->preference('marcflavour')."slim2OPACDetails.xsl',type='Free',  variable='XSLTDetailsFilename' ;");
-    $dbh->do("INSERT systempreferences set value='../koha-tmpl/opac-tmpl/prog/en/xslt/".C4::Context->preference('marcflavour')."slim2OPACResults.xsl',type='Free',  variable='XSLTResultsFilename' ;");
+    $dbh->do("INSERT systempreferences (value, variable) select value, 'XSLTDetailFilename' from systempreferences where variable='XSLTDetailsDisplay';");
+    $dbh->do("INSERT systempreferences (value, variable) select value, 'XSLTResultsFilename' from systempreferences where variable='XSLTResultsDisplay' ;");
     $dbh->do("UPDATE systempreferences set value=(LENGTH(value)>0),type='YesNo' where variable='XSLTDetailsDisplay';");
     $dbh->do("UPDATE systempreferences set value=(LENGTH(value)>0),type='YesNo' where variable='XSLTResultsDisplay';");
     print "Upgrade to $DBversion done (Improvements to XSLT Support)\n";