Index: source/blender/makesrna/intern/rna_object.c
===================================================================
--- source/blender/makesrna/intern/rna_object.c	(revision 27090)
+++ source/blender/makesrna/intern/rna_object.c	(working copy)
@@ -1443,6 +1443,7 @@
 	
 	static float default_quat[4] = {1,0,0,0};	/* default quaternion values */
 	static float default_axisAngle[4] = {0,0,1,0};	/* default axis-angle rotation values */
+	static float default_scale[3] = {1,1,1};
 	int matrix_dimsize[]= {4, 4};
 	int boundbox_dimsize[]= {8, 3};
 
@@ -1605,6 +1606,7 @@
 	RNA_def_property_editable_array_func(prop, "rna_Object_scale_editable");
 	RNA_def_property_ui_text(prop, "Scale", "Scaling of the object");
 	RNA_def_property_update(prop, NC_OBJECT|ND_TRANSFORM, "rna_Object_update");
+	RNA_def_property_float_array_default(prop, default_scale);
 
 	prop= RNA_def_property(srna, "dimensions", PROP_FLOAT, PROP_XYZ|PROP_UNIT_LENGTH);
 	RNA_def_property_array(prop, 3);