diff --git a/src/calibre/gui2/update.py b/src/calibre/gui2/update.py
index 256f628961..3e294cac31 100644
--- a/src/calibre/gui2/update.py
+++ b/src/calibre/gui2/update.py
@@ -190,7 +190,7 @@ class UpdateMixin(object):
         if has_calibre_update:
             plt = u''
             if has_plugin_updates:
-                plt = _(' (%d plugin updates)')%number_of_plugin_updates
+                plt = ngettext(' (one plugin update)', ' ({} plugin updates)', number_of_plugin_updates).format(number_of_plugin_updates)
             msg = (u'<span style="color:green; font-weight: bold">%s: '
                     u'<a href="update:%s">%s%s</a></span>') % (
                         _('Update found'), version_url, calibre_version, plt)