diff --git a/development/add_weblate_language.sh b/development/add_weblate_language.sh
new file mode 100755
index 00000000000..a2b2428d7d6
--- /dev/null
+++ b/development/add_weblate_language.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+if [[ "$#" -ne 1 ]]; then
+	echo "Usage: $0 locale_code  (e.g. fi)"
+	exit 1
+fi
+
+f="po/uh/unknown-horizons.pot"
+o="po/uh/${1}.po"
+msginit --locale "$1" --input "$f" --no-translator --output-file "$o"
+git add "$o"
+
+f="po/uh-server/unknown-horizons-server.pot"
+o="po/uh-server/${1}.po"
+msginit --locale "$1" --input "$f" --no-translator --output-file "$o"
+git add "$o"
+
+mkdir -p "po/scenarios/${1}/"
+f="po/scenarios/templates/tutorial.pot"
+o="po/scenarios/${1}/tutorial.po"
+msginit --locale "$1" --input "$f" --no-translator --output-file "$o"
+git add "$o"
+
+git commit -m "Add $1 translation files"
+
+echo "Remember to add the respective horizons.constants LANGUAGENAMES entries!"