diff --git a/devel/devel-server.py b/devel/devel-server.py
index 3bc2e29..7f35e33 100755
--- a/devel/devel-server.py
+++ b/devel/devel-server.py
@@ -151,7 +151,7 @@ class MothRequestHandler(http.server.SimpleHTTPRequestHandler):
             catdir = self.server.args["puzzles_dir"].joinpath(category)
             mb = mothballer.package(category, catdir, self.seed)
         except Exception as ex:
-            logger.exception(ex)
+            logging.exception(ex)
             self.send_response(200)
             self.send_header("Content-Type", "text/html; charset=\"utf-8\"")
             self.end_headers()