diff --git a/htdocs/langs/nb_NO/main.lang b/htdocs/langs/nb_NO/main.lang
index 020639a5d9054a6d1fa94b98ca6fb888a7f43f17..203896ba362aa32713b53b9103b75e9bdcb56ca8 100644
--- a/htdocs/langs/nb_NO/main.lang
+++ b/htdocs/langs/nb_NO/main.lang
@@ -535,8 +535,8 @@ Login=Innlogging
 Month01=januar
 Month02=februar
 Month03=mars
-Month04=April
-Month05=kan
+Month04=april
+Month05=mai
 Month06=juni
 Month07=juli
 Month08=August