diff --git a/libbackground/ChangeLog b/libbackground/ChangeLog
index a55377b4c..0f389e2e2 100644
--- a/libbackground/ChangeLog
+++ b/libbackground/ChangeLog
@@ -1,3 +1,7 @@
+2002-03-28  Richard Hestilow  <hestilow@ximian.com>
+
+	* applier.c (bg_applier_set_prop): Only set size for preview modes.
+
 2002-03-28  Richard Hestilow  <hestilow@ximian.com>
 
 	* applier.c (MONITOR_CONTENTS_WIDTH, MONITOR_CONTENTS_HEIGHT):
diff --git a/libbackground/applier.c b/libbackground/applier.c
index 667f67208..a257d043b 100644
--- a/libbackground/applier.c
+++ b/libbackground/applier.c
@@ -307,11 +307,13 @@ bg_applier_set_prop (GObject *object, guint prop_id, const GValue *value, GParam
 		break;
 
 	case PROP_PREVIEW_WIDTH:
-		bg_applier->p->render_geom.width = g_value_get_uint (value);
+		if (bg_applier->p->type == BG_APPLIER_PREVIEW)
+			bg_applier->p->render_geom.width = g_value_get_uint (value);
 		break;
 
 	case PROP_PREVIEW_HEIGHT:
-		bg_applier->p->render_geom.height = g_value_get_uint (value);
+		if (bg_applier->p->type == BG_APPLIER_PREVIEW)
+			bg_applier->p->render_geom.height = g_value_get_uint (value);
 		break;
 		
 	default: