diff --git a/habitat/parser.py b/habitat/parser.py
index 5435093..27739d8 100644
--- a/habitat/parser.py
+++ b/habitat/parser.py
@@ -228,6 +228,8 @@ class Parser(object):
def _get_data(self, raw_data, callsign, config, module):
"""Attempt to parse data from what we know so far."""
+ raw_data = self.filtering.pre_filter(raw_data, module)
+
sentences = config["payload_configuration"]["sentences"]
for sentence_index, sentence in enumerate(sentences):
if sentence["callsign"] != callsign:
