ListView doesn"t stop on finger up?

I have a listView which defined like this in xml:

<ListView

        android:id="@android:id/list"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:layout_marginTop="150dp"

        android:layout_x="4dp"

        android:layout_y="183dp"

        android:cacheColorHint="#00000000"

        android:fadingEdge="vertical"

        android:enabled="true" >

    </ListView>

Everything's just fine, but in a strange way if user wants to scroll the list down to see other items and gets his finger up list turns back to top ? It's just not stopping where user scrolled... Why could it be happening? Thanks for help in advance...