diff --git a/gtk/gtkcolorscale.c b/gtk/gtkcolorscale.c
index 40cc3e05d3..c5b7d3046a 100644
--- a/gtk/gtkcolorscale.c
+++ b/gtk/gtkcolorscale.c
@@ -289,7 +289,7 @@ gtk_color_scale_set_rgba (GtkColorScale *scale,
   GtkColorScalePrivate *priv = gtk_color_scale_get_instance_private (scale);
 
   priv->color = *color;
-  gtk_widget_queue_draw (GTK_WIDGET (scale));
+  gtk_widget_queue_draw (gtk_range_get_trough_widget (GTK_RANGE (scale)));
 }
 
 GtkWidget *
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index d745e93174..dcd6b95899 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -2948,6 +2948,14 @@ gtk_range_get_slider_widget (GtkRange *range)
   return priv->slider_widget;
 }
 
+GtkWidget *
+gtk_range_get_trough_widget (GtkRange *range)
+{
+  GtkRangePrivate *priv = gtk_range_get_instance_private (range);
+
+  return priv->trough_widget;
+}
+
 void
 gtk_range_start_autoscroll (GtkRange      *range,
                             GtkScrollType  scroll_type)
diff --git a/gtk/gtkrangeprivate.h b/gtk/gtkrangeprivate.h
index f76116ea10..40ee468b9c 100644
--- a/gtk/gtkrangeprivate.h
+++ b/gtk/gtkrangeprivate.h
@@ -42,6 +42,8 @@ gint               _gtk_range_get_stop_positions           (GtkRange      *range
                                                             gint         **values);
 
 GtkWidget         *gtk_range_get_slider_widget             (GtkRange *range);
+GtkWidget         *gtk_range_get_trough_widget             (GtkRange *range);
+
 
 void               gtk_range_start_autoscroll              (GtkRange      *range,
                                                             GtkScrollType  scroll_type);