diff --git a/raven/processors.py b/raven/processors.py
index b097bc1a8..c091d6aa0 100644
--- a/raven/processors.py
+++ b/raven/processors.py
@@ -99,8 +99,11 @@ def filter_http(self, data):
             if n not in data:
                 continue
 
-            if isinstance(data[n], six.string_types) and '=' in data[n]:
+            if ((isinstance(data[n], six.string_types) and '=' in data[n]) or
+                    isinstance(data[n], six.binary_type)):
                 # at this point we've assumed it's a standard HTTP query
+                if isinstance(data[n], six.binary_type):
+                    data[n] = data[n].decode()
                 querybits = []
                 for bit in data[n].split('&'):
                     chunk = bit.split('=')
diff --git a/tests/processors/tests.py b/tests/processors/tests.py
index 041aa7216..b11355739 100644
--- a/tests/processors/tests.py
+++ b/tests/processors/tests.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
+import six
 from mock import Mock
 
 import raven
@@ -119,6 +120,20 @@ def test_http(self):
             self.assertTrue(n in http)
             self._check_vars_sanitized(http[n], proc)
 
+    def test_http_data_as_bytes(self):
+        data = get_http_data()
+        data['request']['data'] = six.b(
+            'foo=bar&password=secury')
+
+        proc = SanitizePasswordsProcessor(Mock())
+        result = proc.process(data)
+
+        self.assertTrue('request' in result)
+        http = result['request']
+
+        self.assertEqual(
+            http['data'], 'foo=bar&password=%(m)s' % dict(m=proc.MASK))
+
     def test_querystring_as_string(self):
         data = get_http_data()
         data['request']['query_string'] = 'foo=bar&password=hello&the_secret=hello'\