diff --git a/rq/scripts/rqworker.py b/rq/scripts/rqworker.py
index 2e00494..19073ea 100755
--- a/rq/scripts/rqworker.py
+++ b/rq/scripts/rqworker.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+import os
 import sys
 import argparse
 import logging
@@ -45,7 +46,8 @@ def main():
 
     # Other default arguments
     if args.sentry_dsn is None:
-        args.sentry_dsn = settings.get('SENTRY_DSN', None)
+        args.sentry_dsn = settings.get('SENTRY_DSN',
+                                       os.environ.get('SENTRY_DSN', None))
 
     if args.verbose and args.quiet:
         raise RuntimeError("Flags --verbose and --quiet are mutually exclusive.")