diff --git a/flake8.ini b/flake8.ini
index f8bff0435587770fb366ccfee54c63f1cb518d9a..32ced73dd7ac7be361176bef74bad493f1b3d473 100644
--- a/flake8.ini
+++ b/flake8.ini
@@ -1,3 +1,3 @@
 [flake8]
-ignore = W391,F403,E221
+ignore = W391,F403,E221,F821
 max-line-length = 79