diff --git a/core/string/translation_server.cpp b/core/string/translation_server.cpp
index cc0351e7af0..0048bd4d107 100644
--- a/core/string/translation_server.cpp
+++ b/core/string/translation_server.cpp
@@ -381,6 +381,10 @@ String TranslationServer::get_locale() const {
 	return locale;
 }
 
+void TranslationServer::set_fallback_locale(const String &p_locale) {
+	fallback = p_locale;
+}
+
 String TranslationServer::get_fallback_locale() const {
 	return fallback;
 }
diff --git a/core/string/translation_server.h b/core/string/translation_server.h
index a8c927a74dc..48632953ce5 100644
--- a/core/string/translation_server.h
+++ b/core/string/translation_server.h
@@ -99,6 +99,7 @@ public:
 
 	void set_locale(const String &p_locale);
 	String get_locale() const;
+	void set_fallback_locale(const String &p_locale);
 	String get_fallback_locale() const;
 	Ref<Translation> get_translation_object(const String &p_locale);
 
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 11a60473077..8e0b9adfbf7 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -450,6 +450,11 @@ void EditorNode::_update_from_settings() {
 		Viewport::DefaultCanvasItemTextureRepeat tr = (Viewport::DefaultCanvasItemTextureRepeat)current_repeat;
 		scene_root->set_default_canvas_item_texture_repeat(tr);
 	}
+	String current_fallback_locale = GLOBAL_GET("internationalization/locale/fallback");
+	if (current_fallback_locale != TranslationServer::get_singleton()->get_fallback_locale()) {
+		TranslationServer::get_singleton()->set_fallback_locale(current_fallback_locale);
+		scene_root->propagate_notification(Control::NOTIFICATION_LAYOUT_DIRECTION_CHANGED);
+	}
 
 	RS::DOFBokehShape dof_shape = RS::DOFBokehShape(int(GLOBAL_GET("rendering/camera/depth_of_field/depth_of_field_bokeh_shape")));
 	RS::get_singleton()->camera_attributes_set_dof_blur_bokeh_shape(dof_shape);
diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index 0554ffc5c13..d12a87ded4b 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -3519,7 +3519,8 @@ bool Control::is_layout_rtl() const {
 						String locale = OS::get_singleton()->get_locale();
 						data.is_rtl = TS->is_locale_right_to_left(locale);
 					} else {
-						String locale = TranslationServer::get_singleton()->get_tool_locale();
+						const Ref<Translation> &t = TranslationServer::get_singleton()->get_translation_object(TranslationServer::get_singleton()->get_locale());
+						String locale = t.is_valid() ? t->get_locale() : TranslationServer::get_singleton()->get_fallback_locale();
 						data.is_rtl = TS->is_locale_right_to_left(locale);
 					}
 					return data.is_rtl;
diff --git a/scene/main/window.cpp b/scene/main/window.cpp
index b00c48999cc..ec04feca747 100644
--- a/scene/main/window.cpp
+++ b/scene/main/window.cpp
@@ -2883,7 +2883,8 @@ bool Window::is_layout_rtl() const {
 					String locale = OS::get_singleton()->get_locale();
 					return TS->is_locale_right_to_left(locale);
 				} else {
-					String locale = TranslationServer::get_singleton()->get_tool_locale();
+					const Ref<Translation> &t = TranslationServer::get_singleton()->get_translation_object(TranslationServer::get_singleton()->get_locale());
+					String locale = t.is_valid() ? t->get_locale() : TranslationServer::get_singleton()->get_fallback_locale();
 					return TS->is_locale_right_to_left(locale);
 				}
 			}