diff --git a/conf/.env b/conf/.env
index fc18fa9..94148ef 100644
--- a/conf/.env
+++ b/conf/.env
@@ -18,7 +18,7 @@ APP_KEY=__RANDOM_KEY__
 # For a list of available languages: https://github.com/firefly-iii/firefly-iii/tree/main/resources/lang
 #
 # If text is still in English, remember that not everything may have been translated.
-DEFAULT_LANGUAGE=__LANGUAGE__
+DEFAULT_LANGUAGE=en_US
 
 # The locale defines how numbers are formatted.
 # by default this value is the same as whatever the language is.