diff --git a/rare/components/tabs/settings/legendary.py b/rare/components/tabs/settings/legendary.py
index 2b08a01b..87db4c17 100644
--- a/rare/components/tabs/settings/legendary.py
+++ b/rare/components/tabs/settings/legendary.py
@@ -149,7 +149,7 @@ class LegendarySettings(QWidget, Ui_LegendarySettings):
     def locale_edit_cb(text: str) -> Tuple[bool, str, int]:
         if text:
             if re.match("^[a-zA-Z]{2,3}[-_][a-zA-Z]{2,3}$", text):
-                language, country = text.replace("_", "-").split("-")
+                language, country = text.split("-" if "-" in text else "_")
                 text = "-".join([language.lower(), country.upper()])
             if bool(re.match("^[a-z]{2,3}-[A-Z]{2,3}$", text)):
                 return True, text, IndicatorReasonsCommon.VALID