diff --git a/reclass/core.py b/reclass/core.py
index 488ee49..32dee20 100644
--- a/reclass/core.py
+++ b/reclass/core.py
@@ -19,7 +19,7 @@
 class Core(object):
 
     def __init__(self, storage, class_mappings, input_data=None,
-            ignore_class_notfound=False, ignore_class_regexp=['*']):
+            ignore_class_notfound=False, ignore_class_regexp=['.*']):
         self._storage = storage
         self._class_mappings = class_mappings
         self._ignore_class_notfound = ignore_class_notfound
@@ -103,7 +103,7 @@
                 except ClassNotFound, e:
                     if self._ignore_class_notfound:
                         if not cnf_r:
-                            cnf_r = re.compile('|'.join([x for x in self._ignore_class_regexp]))
+                            cnf_r = re.compile('|'.join(self._ignore_class_regexp))
                         if cnf_r.match(klass):
                             # TODO, add logging handler
                             print >>sys.stderr, "[WARNING] Reclass class not found: '%s'. Skipped!" % klass
diff --git a/reclass/defaults.py b/reclass/defaults.py
index 0180521..4d866d4 100644
--- a/reclass/defaults.py
+++ b/reclass/defaults.py
@@ -17,7 +17,7 @@
 OPT_PRETTY_PRINT = True
 OPT_OUTPUT = 'yaml'
 OPT_IGNORE_CLASS_NOTFOUND = False
-OPT_IGNORE_CLASS_REGEXP = ['*']
+OPT_IGNORE_CLASS_REGEXP = ['.*']
 
 CONFIG_FILE_SEARCH_PATH = [os.getcwd(),
                            os.path.expanduser('~'),