diff --git a/client/filterreader.py b/client/filterreader.py
index 20af1533..34272b49 100644
--- a/client/filterreader.py
+++ b/client/filterreader.py
@@ -24,6 +24,7 @@ __author__ = "Cyril Jaquier"
 __copyright__ = "Copyright (c) 2004 Cyril Jaquier"
 __license__ = "GPL"
 
+import os
 import logging
 from configreader import ConfigReader
 
@@ -34,23 +35,26 @@ class FilterReader(ConfigReader):
 	
 	def __init__(self, fileName, name, **kwargs):
 		ConfigReader.__init__(self, **kwargs)
-		self.__file = fileName
-		self.__name = name
+		# Defer initialization to the set Methods
+		self.__file = self.__name = self.__opts = None
+		self.setFile(fileName)
+		self.setName(name)
 	
 	def setFile(self, fileName):
 		self.__file = fileName
+		self.__opts = None
 	
 	def getFile(self):
 		return self.__file
 	
 	def setName(self, name):
 		self.__name = name
-	
+
 	def getName(self):
 		return self.__name
 	
 	def read(self):
-		return ConfigReader.read(self, "filter.d/" + self.__file)
+		return ConfigReader.read(self, os.path.join("filter.d", self.__file))
 	
 	def getOptions(self, pOpts):
 		opts = [["string", "ignoreregex", ""],
diff --git a/testcases/samplestestcase.py b/testcases/samplestestcase.py
index 6b4d4530..0d1869c3 100644
--- a/testcases/samplestestcase.py
+++ b/testcases/samplestestcase.py
@@ -60,6 +60,8 @@ def testSampleRegexsFactory(name):
 
 		# Check filter exists
 		filterConf = FilterReader(name, "jail", basedir=CONFIG_DIR)
+		self.assertEqual(filterConf.getFile(), name)
+		self.assertEqual(filterConf.getName(), "jail")
 		filterConf.read()
 		filterConf.getOptions({})