diff --git a/doc/nopoll.doxygen.in b/doc/nopoll.doxygen.in
index d84de64..099827b 100644
--- a/doc/nopoll.doxygen.in
+++ b/doc/nopoll.doxygen.in
@@ -679,7 +679,7 @@ INPUT_ENCODING         = UTF-8
 # *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py
 # *.f90 *.f *.for *.vhd *.vhdl
 
-FILE_PATTERNS          =
+#FILE_PATTERNS          =
 
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories
 # should be searched for input files as well. Possible values are YES and NO.