diff --git a/src/WebWindow.vala b/src/WebWindow.vala
index dfb1550..3470b00 100644
--- a/src/WebWindow.vala
+++ b/src/WebWindow.vala
@@ -64,7 +64,7 @@ namespace Webpin {
 
             var stay_open = new Gtk.ToggleButton ();
             stay_open.active = desktop_file.hide_on_close;
-            stay_open.tooltip_text = _("Run in background when closed");
+            stay_open.tooltip_text = _("Run in background if closed");
             stay_open.image = new Gtk.Image.from_icon_name ("view-pin-symbolic", Gtk.IconSize.MENU);
             stay_open.toggled.connect (() => {
                 desktop_file.edit_property ("X-Webpin-StayOpen", stay_open.active.to_string ());
diff --git a/src/Widgets/Assistant.vala b/src/Widgets/Assistant.vala
index d17ad33..6e6e1f6 100644
--- a/src/Widgets/Assistant.vala
+++ b/src/Widgets/Assistant.vala
@@ -234,16 +234,8 @@ namespace Webpin {
 
         private void on_icon_chooser_activate () {
             var filter = new Gtk.FileFilter ();
-
             filter.set_filter_name (_("Images"));
-            filter.add_pattern ("*.png");
-            filter.add_pattern ("*.svg");
-            filter.add_pattern ("*.jpg");
-            filter.add_pattern ("*.jpeg");
-            filter.add_pattern ("*.PNG");
-            filter.add_pattern ("*.SVG");
-            filter.add_pattern ("*.JPG");
-            filter.add_pattern ("*.JPEG");
+            filter.add_mime_type ("image/*");
 
             file_chooser = new Gtk.FileChooserDialog ("", null,
                                                        Gtk.FileChooserAction.OPEN,