2 files changed, 2 insertions, 2 deletions
diff --git a/stdlib/source/test/lux/locale/language.lux b/stdlib/source/test/lux/locale/language.lux
index dacff0557..9c272f1bc 100644
--- a/stdlib/source/test/lux/locale/language.lux
+++ b/stdlib/source/test/lux/locale/language.lux
@@ -279,7 +279,7 @@
   (Random /.Language)
   (let [options (|> ..languages
                     (list\map (|>> (get@ #languages) set.list))
-                    list.concat)]
+                    list.joined)]
     (do {! random.monad}
       [choice (\ ! map (n.% (list.size options))
                  random.nat)]
diff --git a/stdlib/source/test/lux/locale/territory.lux b/stdlib/source/test/lux/locale/territory.lux
index 1dec09208..2388bdecf 100644
--- a/stdlib/source/test/lux/locale/territory.lux
+++ b/stdlib/source/test/lux/locale/territory.lux
@@ -205,7 +205,7 @@
   (Random /.Territory)
   (let [options (|> ..territories
                     (list\map (|>> (get@ #territories) set.list))
-                    list.concat)]
+                    list.joined)]
     (do {! random.monad}
       [choice (\ ! map (n.% (list.size options))
                  random.nat)]