diff --git a/source/ubinstall-gtk-log.c b/source/ubinstall-gtk-log.c
index 5de4a71..65f82d7 100644
--- a/source/ubinstall-gtk-log.c
+++ b/source/ubinstall-gtk-log.c
@@ -88,6 +88,7 @@ void yon_installation_progress_update(GFileMonitor *,GFile *,GFile *,GFileMonito
 
     g_mutex_lock(&main_config.progress_mutex);
     config_str text = yon_file_open(progress_path, &size);
+    if (!text||!size) return;
     g_mutex_unlock(&main_config.progress_mutex);
 
     if (size) {
diff --git a/ubinstall-gtk-slider.glade b/ubinstall-gtk-slider.glade
index 7784704..6eeb313 100644
--- a/ubinstall-gtk-slider.glade
+++ b/ubinstall-gtk-slider.glade
@@ -70,6 +70,7 @@
                 <property name="visible">True</property>
                 <property name="can-focus">False</property>
                 <property name="use-markup">True</property>
+                <property name="justify">fill</property>
                 <property name="wrap">True</property>
                 <property name="xalign">0</property>
               </object>