diff --git a/C4/Templates.pm b/C4/Templates.pm
index 7456c7f625..e787ab13c3 100644
--- a/C4/Templates.pm
+++ b/C4/Templates.pm
@@ -302,6 +302,10 @@ sub themelanguage {
             return ( $theme, 'en', uniq( \@themes ) );
         }
     }
+    # tmpl is a full path, so this is a template for a plugin
+    if ( $tmpl =~ /^\// && -e $tmpl ) {
+        return ( $themes[0], $lang, uniq( \@themes ) );
+    }
 }