diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tmpl b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tmpl
index 8315a5f854..f916873935 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tmpl
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tmpl
@@ -486,7 +486,7 @@ function unHideSubfield(index,labelindex) { // FIXME :: is it used ?
 		new YAHOO.widget.Button({
                                             id: "z3950search", 
                                             type: "button", 
-                                            label: "z39.50 Search", 
+                                            label: _("z39.50 Search"), 
                                             container: "z3950searchc",
 											onclick: {fn:function(){PopupZ3950()}}
                                         });