diff --git a/url2markdown/__main__.py b/url2markdown/__main__.py
index 37c0929..3735949 100755
--- a/url2markdown/__main__.py
+++ b/url2markdown/__main__.py
@@ -24,4 +24,5 @@ if __name__ == "__main__":
                 except ValueError:
                     url = line
                     topics = []
-                main(url, topics)
+                if url != '\n':
+                    main(url, topics)