diff --git a/hexlib/env.py b/hexlib/env.py
index b23af3d..859569a 100644
--- a/hexlib/env.py
+++ b/hexlib/env.py
@@ -45,7 +45,7 @@ def get_web(session=None):
         rps=os.environ.get("RPS", 1),
         logger=stdout_logger,
         cookie_file=os.environ.get("COOKIE_FILE", None),
-        retry_codes=set(int(x) for x in retry_codes) if retry_codes else None,
+        retry_codes=set(int(x) for x in retry_codes.split(",")) if retry_codes else None,
         retries=int(os.environ.get("RETRIES", 3)),
         retry_sleep=int(os.environ.get("RETRY_SLEEP", 0)),
         ua=ua[os.environ.get("USER_AGENT")] if os.environ.get("USER_AGENT", None) is not None else None
diff --git a/setup.py b/setup.py
index 9a13c4b..a90e26f 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="hexlib",
-    version="1.70",
+    version="1.71",
     description="Misc utility methods",
     author="simon987",
     author_email="me@simon987.net",