diff --git a/res/CMakeLists.txt b/res/CMakeLists.txt
index e4271d39..b91f2165 100644
--- a/res/CMakeLists.txt
+++ b/res/CMakeLists.txt
@@ -194,7 +194,7 @@ add_resources(
     icons/text-window/workplane.png
     locales.txt
     locales/en_US.po
-    locales/ua_UA.po
+    locales/uk_UA.po
     fonts/unifont.hex.gz
     fonts/private/0-check-false.png
     fonts/private/1-check-true.png
diff --git a/res/locales.txt b/res/locales.txt
index f82bf51c..86e56e74 100644
--- a/res/locales.txt
+++ b/res/locales.txt
@@ -1,4 +1,4 @@
 # This file lists the ISO locale codes (ISO 639-1/ISO 3166-1), Windows LCIDs,
 # and human-readable names for every culture supported by SolveSpace.
 en-US,0409,English (US)
-ua-UA,0422,Українська
+uk-UA,0422,Українська
diff --git a/res/locales/ua_UA.po b/res/locales/uk_UA.po
similarity index 100%
rename from res/locales/ua_UA.po
rename to res/locales/uk_UA.po