diff --git a/po-properties/LINGUAS b/po-properties/LINGUAS
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+# TRANSLATORS:  Please note that gtk+ has both po/ and po-properties/
+# directories.  If you add a new language in this file, please make
+# sure that both po/ and po-properties/ have .po files that correspond
+# to your language.  If you only add one to po/, the build will break
+# in po-properties/.
+# Please keep this list sorted alphabetically.
+#
+af
+am
+an
+ang
+ar
+as
+ast
+az
+az_IR
+be
+be@latin
+bg
+bn
+bn_IN
+br
+bs
+ca
+ca@valencia
+crh
+cs
+cy
+da
+de
+dz
+el
+en
+en_CA
+en_GB
+en@shaw
+eo
+es
+et
+eu
+fa
+fi
+fr
+ga
+gd
+gl
+gu
+he
+hi
+hr
+hu
+hy
+ia
+id
+io
+is
+it
+ja
+ka
+kg
+kk
+km
+kn
+ko
+ku
+ky
+lg
+li
+lt
+lv
+mai
+mi
+mk
+ml
+mn
+mr
+ms
+my
+nb
+nds
+ne
+nl
+nn
+nso
+oc
+or
+pa
+pl
+ps
+pt
+pt_BR
+ro
+ru
+rw
+si
+sk
+sl
+sq
+sr
+sr@ije
+sr@latin
+sv
+ta
+te
+tg
+th
+tk
+tr
+tt
+ug
+uk
+ur
+uz
+uz@cyrillic
+vi
+wa
+xh
+yi
+zh_CN
+zh_HK
+zh_TW