diff --git a/daphne/tests/test_utils.py b/daphne/tests/test_utils.py
index 10a10f3..c1a835e 100644
--- a/daphne/tests/test_utils.py
+++ b/daphne/tests/test_utils.py
@@ -46,7 +46,7 @@ class TestXForwardedForHttpParsing(TestCase):
         })
         self.assertEqual(
             parse_x_forwarded_for(headers),
-            ['10.1.2.4', 0]
+            ['10.1.2.3', 0]
         )
 
     def test_original(self):
diff --git a/daphne/utils.py b/daphne/utils.py
index 8fc339b..2f375ba 100644
--- a/daphne/utils.py
+++ b/daphne/utils.py
@@ -37,7 +37,7 @@ def parse_x_forwarded_for(headers,
         address_value = header_value(headers, address_header_name)
 
         if ',' in address_value:
-            address_value = address_value.split(",")[-1].strip()
+            address_value = address_value.split(",")[0].strip()
 
         if ':' in address_value:
             address_host, address_port = address_value.split(':')