diff --git a/koha-tmpl/opac-tmpl/prog/en/xslt/UNIMARCslim2OPACDetail.xsl b/koha-tmpl/opac-tmpl/prog/en/xslt/UNIMARCslim2OPACDetail.xsl
index 97e9aca8f0..c7dd167131 100644
--- a/koha-tmpl/opac-tmpl/prog/en/xslt/UNIMARCslim2OPACDetail.xsl
+++ b/koha-tmpl/opac-tmpl/prog/en/xslt/UNIMARCslim2OPACDetail.xsl
@@ -19,8 +19,8 @@
   <xsl:variable name="leader6" select="substring($leader,7,1)"/>
   <xsl:variable name="leader7" select="substring($leader,8,1)"/>
   <xsl:variable name="biblionumber" select="marc:datafield[@tag=090]/marc:subfield[@code='a']"/>
-  <xsl:variable name="DisplayOPACiconsXSLT" select="marc:sysprefs/marc:syspref[@name='DisplayOPACiconsXSLT']"    />
-  <xsl:variable name="OPACURLOpenInNewWindow" select="marc:sysprefs/marc:syspref[@name='OPACURLOpenInNewWindo    w']"/>
+  <xsl:variable name="DisplayOPACiconsXSLT" select="marc:sysprefs/marc:syspref[@name='DisplayOPACiconsXSLT']"/>
+  <xsl:variable name="OPACURLOpenInNewWindow" select="marc:sysprefs/marc:syspref[@name='OPACURLOpenInNewWindow']"/>
   <xsl:variable name="URLLinkText" select="marc:sysprefs/marc:syspref[@name='URLLinkText']"/>
   <xsl:variable name="ShowISBD" select="marc:sysprefs/marc:syspref[@name='viewISBD']"/>