diff --git a/schemas/linux/application.gschema.xml.in b/schemas/linux/application.gschema.xml.in
index 80a596c..4d248e7 100644
--- a/schemas/linux/application.gschema.xml.in
+++ b/schemas/linux/application.gschema.xml.in
@@ -33,7 +33,7 @@
   <schema id="br.com.bb.@PACKAGE_NAME@">
 
     <key name="ui-style" type="u">
-      <default>1</default>
+      <default>2</default>
       <summary>UI Style</summary>
       <description>The ID of the current user interface style</description>
     </key>
diff --git a/src/include/pw3270/application.h b/src/include/pw3270/application.h
index afcaff8..0ee1eec 100644
--- a/src/include/pw3270/application.h
+++ b/src/include/pw3270/application.h
@@ -55,6 +55,7 @@
 	typedef enum _pw3270_ui_style {
 		PW3270_UI_STYLE_CLASSICAL,		///< @brief Interface "classica", com menu e toolbar.
 		PW3270_UI_STYLE_GNOME,			///< @brief Interface padrão gnome.
+		PW3270_UI_STYLE_AUTOMATIC,		///< @brief Auto defined UI-Style
 	} PW3270_UI_STYLE;
 
 
diff --git a/src/objects/application/application.c b/src/objects/application/application.c
index cd9b105..24ff9f1 100644
--- a/src/objects/application/application.c
+++ b/src/objects/application/application.c
@@ -157,11 +157,11 @@
 			_("UI Type"),
 			_("The code of the User interface type"),
 			PW3270_UI_STYLE_CLASSICAL,
-			PW3270_UI_STYLE_GNOME,
+			PW3270_UI_STYLE_AUTOMATIC,
 #ifdef _WIN32
 			PW3270_UI_STYLE_CLASSICAL,
 #else
-			PW3270_UI_STYLE_GNOME,
+			PW3270_UI_STYLE_AUTOMATIC,
 #endif // _WIN32
 			G_PARAM_READABLE|G_PARAM_WRITABLE
 		);
@@ -176,7 +176,7 @@
 #ifdef _WIN32
 	app->ui_style = PW3270_UI_STYLE_CLASSICAL;
 #else
-	app->ui_style = PW3270_UI_STYLE_GNOME;
+	app->ui_style = PW3270_UI_STYLE_AUTOMATIC;
 #endif // _WIN32
 
 	// Get settings
diff --git a/src/objects/window/window.c b/src/objects/window/window.c
index 04864b3..c322740 100644
--- a/src/objects/window/window.c
+++ b/src/objects/window/window.c
@@ -346,7 +346,22 @@
 	{
 		g_autoptr(GSettings) settings = pw3270_application_window_settings_new();
 
-		if(pw3270_application_get_ui_style(G_APPLICATION(application)) == PW3270_UI_STYLE_GNOME) {
+		PW3270_UI_STYLE style = pw3270_application_get_ui_style(G_APPLICATION(application));
+
+		if(style == PW3270_UI_STYLE_AUTOMATIC) {
+
+			if(gtk_application_get_app_menu(application)) {
+				style = PW3270_UI_STYLE_GNOME;
+			} else {
+				style = PW3270_UI_STYLE_CLASSICAL;
+				g_settings_set_boolean(settings,"menubar-visible",TRUE);
+				g_settings_set_boolean(settings,"toolbar-visible",TRUE);
+			}
+
+			pw3270_application_set_ui_style(G_APPLICATION(application),style);
+		}
+
+		if(style == PW3270_UI_STYLE_GNOME) {
 
 			// Create header bar
 
--
libgit2 0.21.2