Index: sodar/trunk/sodar/data.py
===================================================================
--- sodar/trunk/sodar/data.py (revision 64)
+++ sodar/trunk/sodar/data.py (revision 65)
@@ -123,9 +123,9 @@
                                     ''',re.DOTALL | re.VERBOSE)
         self.__dict__.update(samplePattern.match(sample.strip()).groupdict())
-        # self.__dict__.get covers parsing invalid Samples
-        self.header = self.__dict__.get('header', None)
+        # getattr with default covers parsing invalid Samples
+        self.header = getattr(self, 'header', None)
         if self.header is not None:
             self.header = Header(self.header)
-        self.body = self.__dict__.get('body', None)
+        self.body = getattr(self, 'body', None)
         if self.body is not None:
             self.body = Body(self.body)