diff --git a/AUTHORS b/AUTHORS
index cfa052bb..b3d0fe4d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -54,3 +54,5 @@ Chris Smowton
 Scott Spillers <scotts@paravelsystems.com>
    The original Icon set
 
+Florent Peyraud <florent@draceo.fr>
+   Pypad fix
diff --git a/ChangeLog b/ChangeLog
index cee567ac..d40a0002 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23849,3 +23849,5 @@
 2022-12-22 Fred Gleason <fredg@paravelsystems.com>
 	* Documented the '--check-log-line-ids' option in the rddbmgr(8)
 	man page.
+2022-12-23 Florent Peyraud <florent@draceo.fr>
+	* Fix pypad lib which crashed when ProcessNullUpdates!=0 in conffile
diff --git a/apis/pypad/api/pypad.py b/apis/pypad/api/pypad.py
index f5a6f16c..67e76263 100644
--- a/apis/pypad/api/pypad.py
+++ b/apis/pypad/api/pypad.py
@@ -725,11 +725,11 @@ class Update(object):
                 if self.__config.get(section,'ProcessNullUpdates')=='0':
                     result=result and True
                 if self.__config.get(section,'ProcessNullUpdates')=='1':
-                    result=result and self.hasPadType(pypad.TYPE_NOW)
+                    result=result and self.hasPadType(TYPE_NOW)
                 if self.__config.get(section,'ProcessNullUpdates')=='2':
-                    result=result and self.hasPadType(pypad.TYPE_NEXT)
+                    result=result and self.hasPadType(TYPE_NEXT)
                 if self.__config.get(section,'ProcessNullUpdates')=='3':
-                    result=result and self.hasPadType(pypad.TYPE_NOW) and self.hasPadType(pypad.TYPE_NEXT)
+                    result=result and self.hasPadType(TYPE_NOW) and self.hasPadType(TYPE_NEXT)
             else:
                 result=result and True