diff --git a/panel-plugin/monitor-label.c b/panel-plugin/monitor-label.c
index 0e0d409..99c4d23 100644
--- a/panel-plugin/monitor-label.c
+++ b/panel-plugin/monitor-label.c
@@ -106,7 +106,7 @@ cb_label_changed (GObject *object, GParamSpec *pspec, gpointer user_data)
                 label->count_height++;
         }
 
-        gtk_widget_set_size_request (label, req.width, req.height);
+        gtk_widget_set_size_request (widget, req.width, req.height);
 }
 
 
@@ -132,6 +132,6 @@ xnlp_monitor_label_reinit_size_request (XnlpMonitorLabel *label)
         label->width = 0;
         label->height = 0;
 
-        gtk_widget_set_size_request (label, -1, -1);
+        gtk_widget_set_size_request (GTK_WIDGET (label), -1, -1);
 }
 
diff --git a/panel-plugin/netload.c b/panel-plugin/netload.c
index 015ff06..42117c2 100644
--- a/panel-plugin/netload.c
+++ b/panel-plugin/netload.c
@@ -416,8 +416,8 @@ static t_global_monitor * monitor_new(XfcePanelPlugin *plugin)
     global = g_new(t_global_monitor, 1);
     global->timeout_id = 0;
     global->ebox = gtk_event_box_new();
-    gtk_event_box_set_visible_window(global->ebox, FALSE);
-    gtk_event_box_set_above_child(global->ebox, TRUE);
+    gtk_event_box_set_visible_window(GTK_EVENT_BOX(global->ebox), FALSE);
+    gtk_event_box_set_above_child(GTK_EVENT_BOX(global->ebox), TRUE);
     gtk_widget_set_has_tooltip(global->ebox, TRUE);
     g_signal_connect(global->ebox, "query-tooltip", G_CALLBACK(tooltip_cb), global);
     gtk_widget_show(global->ebox);
@@ -501,7 +501,7 @@ static void setup_monitor(t_global_monitor *global, gboolean supress_warnings)
     /* Show title label? */
     if (global->monitor->options.use_label)
     {
-        gtk_label_set_text(global->monitor->label, global->monitor->options.label_text);
+        gtk_label_set_text(GTK_LABEL(global->monitor->label), global->monitor->options.label_text);
         gtk_widget_show(global->monitor->label);
     }
     else