diff --git a/scripts/build-udev-rules.sh b/scripts/build-udev-rules.sh
index a30dc8e5..f87f5664 100755
--- a/scripts/build-udev-rules.sh
+++ b/scripts/build-udev-rules.sh
@@ -60,7 +60,7 @@ DUMMY_LIST=$( grep -hR -e DUMMY_DEVICE_DETECTOR ${CONTROLLER_PATH} | cut -d '('
 #  Create a list of RGBController.cpp classes including path                  #
 #-----------------------------------------------------------------------------#
 echo -e "Creating file list to parse metadata"
-FILE_LIST=$(find ${CONTROLLER_PATH} | sort | grep RGBController_ | grep cpp)
+FILE_LIST=$(find ${CONTROLLER_PATH} -name "RGBController_*.cpp" | sort)
 
 #Check the output of the file_list
 # echo -e "$FILE_LIST" >> "file_list.txt"