Inspectables Properties Default Value In Compiled Clips

There is the way to reproduce my problem : Create a clip and associate it with a class. In this class define an inspectable propertie with a default value. Convert the clip to a component using component definition dialog box (just associate the right class and click ok). Now if you drag the clip on the scene, the inspectable propertie should be available in the component inspector with its default value. Convert the clip in the library to a compiled clip and move it to a new fla document library to avoid the identical-link-identifier warning. Drag the compiled clip on the scene and you should have access to the inspectable propertie via the component inspector with its default value.

This where is my problem : If you specify a value equals to the default value specified in the class (which is the default value specified in the component inspector by the way), you'll notice (by adding a trace in the propertie's setter for example) that not a single line of code is processed in the setter. Specify a different value and it will be ok. I'm using Flash CS4 if it can be useful.