<!DOCTYPE kpartgui>
-<effect tag="frei0r.Sobel" id="frei0r.Sobel" type="video" unique="1">
+<effect tag="frei0r.sobel" id="frei0r.sobel" type="video" unique="1">
<name>Sobel</name>
<description>Sobel filter</description>
<author>Jean-Sebastien Senecal (Drone)</author>