diff --git a/src/lang/icelandic.txt b/src/lang/icelandic.txt
--- a/src/lang/icelandic.txt
+++ b/src/lang/icelandic.txt
@@ -1,6 +1,7 @@
 ##name Icelandic
 ##ownname Íslenska
 ##isocode is_IS
+##winlangid 0x040f
 ##plural 0
 ##gender karlkyn kvenkyn hvorugkyn