diff --git a/src/preferences/locale/LocaleWindow.cpp b/src/preferences/locale/LocaleWindow.cpp
index 2a6b4efce2..5db62523cd 100644
--- a/src/preferences/locale/LocaleWindow.cpp
+++ b/src/preferences/locale/LocaleWindow.cpp
@@ -77,7 +77,7 @@ LocaleWindow::LocaleWindow()
 
 	float spacing = be_control_look->DefaultItemSpacing();
 
-	BTabView* tabView = new BTabView("tabview");
+	BTabView* tabView = new BTabView("tabview", B_WIDTH_FROM_WIDEST);
 	BGroupView* languageTab = new BGroupView(B_TRANSLATE("Language"),
 		B_HORIZONTAL, spacing);