diff --git a/tests/examples/spectrum/demo-audiotest.c b/tests/examples/spectrum/demo-audiotest.c
index e69aef34a3..f55bad968e 100644
--- a/tests/examples/spectrum/demo-audiotest.c
+++ b/tests/examples/spectrum/demo-audiotest.c
@@ -143,7 +143,7 @@ main (int argc, char *argv[])
   gtk_container_add (GTK_CONTAINER (vbox), widget);
 
   drawingarea = gtk_drawing_area_new ();
-  gtk_drawing_area_size (GTK_DRAWING_AREA (drawingarea), SPECT_BANDS, 64);
+  gtk_widget_set_size_request (drawingarea, SPECT_BANDS, 64);
   gtk_container_add (GTK_CONTAINER (vbox), drawingarea);
 
   gtk_container_add (GTK_CONTAINER (appwindow), vbox);
diff --git a/tests/examples/spectrum/demo-osssrc.c b/tests/examples/spectrum/demo-osssrc.c
index 522a3e7adb..e3d7f7e161 100644
--- a/tests/examples/spectrum/demo-osssrc.c
+++ b/tests/examples/spectrum/demo-osssrc.c
@@ -120,7 +120,7 @@ main (int argc, char *argv[])
       G_CALLBACK (on_window_destroy), NULL);
 
   drawingarea = gtk_drawing_area_new ();
-  gtk_drawing_area_size (GTK_DRAWING_AREA (drawingarea), SPECT_BANDS, 64);
+  gtk_widget_set_size_request (drawingarea, SPECT_BANDS, 64);
   gtk_container_add (GTK_CONTAINER (appwindow), drawingarea);
   gtk_widget_show_all (appwindow);