diff --git a/po/en_GB.po b/po/en_GB.po
index 70a4d5d1f3..d9a524ab7b 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -1184,7 +1184,7 @@ msgstr "Add chart to grid"
 
 #: js/messages.php:109
 msgid "Please add at least one variable to the series"
-msgstr ""
+msgstr "Please add at least one variable to the series"
 
 #: js/messages.php:110 libraries/display_export.lib.php:306
 #: libraries/display_tbl.lib.php:561 libraries/export/sql.php:1052