Search / Replace in Files File Mask doesn't work

I have a large project that I load that I often use to search for code in the project. Even though I set a File Mask (*.java), I get search results for all files in the project.

Hello

I will check if file mask is applied to project. If not, I will add it for projecxt search too.

Hello
I tested and confirmed that file mask is included in search in project too.
Tested with current 5.0.4 version.

So wat is your PSpad version?
Can you send me screenshot from search in files result?
Did you check option in Find in files dialog [x]clear previous search result?