diff --git a/src/objects/application/actions/open.c b/src/objects/application/actions/open.c
index b9265c4..f75ddc2 100644
--- a/src/objects/application/actions/open.c
+++ b/src/objects/application/actions/open.c
@@ -75,11 +75,11 @@ static void open_window(GtkWidget *dialog, gint response_id, GtkApplication *app
 
 }
 
-static void open_session(GtkWidget *dialog, gint response_id, GtkApplication *application) {
+static void open_session(GtkWidget *file_chooser, gint response_id, GtkApplication *application) {
 
 	if(response_id == GTK_RESPONSE_OK) {
 
-		g_autofree gchar * file_name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
+		g_autofree gchar * file_name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(file_chooser));
 
 		if(file_name) {
 			GError * error = NULL;
@@ -121,7 +121,7 @@ static void open_session(GtkWidget *dialog, gint response_id, GtkApplication *ap
 
 	}
 
-	gtk_widget_destroy(dialog);
+	gtk_widget_destroy(file_chooser);
 
 }
 
diff --git a/src/objects/window/private.h b/src/objects/window/private.h
index 47e0395..ed1bd7d 100644
--- a/src/objects/window/private.h
+++ b/src/objects/window/private.h
@@ -68,10 +68,10 @@ struct _pw3270ApplicationWindow {
 	GList		* keypads;		///< @brief Keypads.
 
 	struct {
-		int width;				///< @brief Window width.
-		int height;				///< @brief Window height.
-		int is_maximized : 1;	///< @brief Non zero if window is maximized.
-		int is_fullscreen : 1;	///< @brief Non zero if window is fullscreen.
+		int width;						///< @brief Window width.
+		int height;						///< @brief Window height.
+		unsigned int is_maximized : 1;	///< @brief Non zero if window is maximized.
+		unsigned int is_fullscreen : 1;	///< @brief Non zero if window is fullscreen.
 	} state;
 
 	GtkWidget	* popups[PW3270_APP_WINDOW_POPUP_COUNT];
--
libgit2 0.21.2