diff --git a/po/en_GB.po b/po/en_GB.po
index 031341ca3..959f83e22 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -901,7 +901,7 @@ msgstr "Wk"
 
 #: js/messages.php:165
 msgid "Hour"
-msgstr ""
+msgstr "Hour"
 
 #: js/messages.php:166
 #, fuzzy