diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt
index ba3598bff0..e1ec423204 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt
@@ -2066,7 +2066,7 @@
             }
 
             if (prefs.OpacCoce && prefs.CoceProviders){
-                KOHA.coce.getURL(prefs.CoceHost, prefs_CoceProviders, $('#biblio-cover-slider') );
+                KOHA.coce.getURL(prefs.CoceHost, prefs.CoceProviders, $('#biblio-cover-slider') );
             }
 
             if (prefs.OpenLibraryCovers){