diff --git a/src/ag-window.c b/src/ag-window.c
index 886ad17..61fd1f5 100644
--- a/src/ag-window.c
+++ b/src/ag-window.c
@@ -44,6 +44,8 @@ struct _AgWindowPrivate {
     GtkWidget     *house_system;
     GtkWidget     *display_theme;
     GtkWidget     *toolbar_aspect;
+    GtkProgressBar *load_progress;
+    GtkRevealer    *load_progress_revealer;
 
     GtkWidget     *tab_list;
     GtkWidget     *tab_chart;
@@ -75,12 +77,12 @@ enum {
 };
 
 typedef struct {
-    guint      load_state;
-    guint      load_id;
-    AgIconView *icon_view;
-    gint       n_items;
-    gint       n_loaded;
-    GList      *items;
+    guint           load_state;
+    guint           load_id;
+    AgWindowPrivate *priv;
+    gint            n_items;
+    gint            n_loaded;
+    GList           *items;
 } LoadIdleData;
 
 enum {
@@ -2166,6 +2168,16 @@ ag_window_class_init(AgWindowClass *klass)
             AgWindow,
             content_manager
         );
+    gtk_widget_class_bind_template_child_private(
+            widget_class,
+            AgWindow,
+            load_progress
+        );
+    gtk_widget_class_bind_template_child_private(
+            widget_class,
+            AgWindow,
+            load_progress_revealer
+        );
 
     gtk_widget_class_bind_template_callback(
             widget_class,
@@ -2395,17 +2407,22 @@ ag_window_add_chart(LoadIdleData *idle_data)
         idle_data->load_state = PREVIEW_STATE_LOADING;
     }
 
+    gtk_progress_bar_set_fraction(
+            idle_data->priv->load_progress,
+            (gdouble)idle_data->n_loaded / (gdouble)idle_data->n_items
+        );
+
     save_data = g_list_nth_data(idle_data->items, idle_data->n_loaded);
 
     g_assert(save_data);
 
-    ag_icon_view_add_chart(idle_data->icon_view, save_data);
+    ag_icon_view_add_chart(idle_data->priv->chart_list, save_data);
 
     idle_data->n_loaded++;
 
-    // TODO: maybe a progress bar should update somewhere during loading?
-
     if (idle_data->n_loaded == idle_data->n_items) {
+        g_debug("Finished loading");
+
         idle_data->load_state = PREVIEW_STATE_COMPLETE;
         idle_data->n_loaded = 0;
         idle_data->n_items = 0;
@@ -2423,6 +2440,13 @@ ag_window_cleanup_load_items(LoadIdleData *idle_data)
 {
     g_assert(idle_data->load_state == PREVIEW_STATE_COMPLETE);
 
+    g_debug("Cleaning up lazy loader");
+
+    gtk_revealer_set_reveal_child(
+            idle_data->priv->load_progress_revealer,
+            FALSE
+        );
+
     g_free(idle_data);
 }
 
@@ -2444,9 +2468,12 @@ ag_window_reload_chart_list(AgWindow *window)
     idle_data->items = chart_list;
     idle_data->n_items = 0;
     idle_data->n_loaded = 0;
-    idle_data->icon_view = priv->chart_list;
+    idle_data->priv = priv;
     idle_data->load_state = PREVIEW_STATE_STARTED;
 
+    gtk_progress_bar_set_fraction(priv->load_progress, 0.0);
+    gtk_revealer_set_reveal_child(priv->load_progress_revealer, TRUE);
+
     idle_data->load_id = g_idle_add_full(
             G_PRIORITY_DEFAULT_IDLE,
             (GSourceFunc)ag_window_add_chart,
diff --git a/src/resources/ui/ag-window.ui b/src/resources/ui/ag-window.ui
index 9868e9c..3bb239b 100644
--- a/src/resources/ui/ag-window.ui
+++ b/src/resources/ui/ag-window.ui
@@ -100,10 +100,27 @@
                 <property name="orientation">vertical</property>
                 <child>
                   <object class="GtkOverlay">
-                    <property name="hexpand">True</property>
-                    <property name="vexpand">True</property>
+                    <child type="overlay">
+                      <object class="GtkRevealer" id="load_progress_revealer">
+                        <property name="halign">center</property>
+                        <property name="valign">start</property>
+                        <child>
+                          <object class="GtkFrame">
+                            <style>
+                              <class name="app-notification"/>
+                            </style>
+                            <child>
+                              <object class="GtkProgressBar" id="load_progress">
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
                     <child>
                       <object class="GtkScrolledWindow">
+                        <property name="hexpand">True</property>
+                        <property name="vexpand">True</property>
                         <child>
                           <object class="AgIconView" id="chart_list">
                             <signal name="item-activated" handler="ag_window_list_item_activated_cb" object="AgWindow" swapped="no"/>