diff --git a/maint/scripts/run_autopep8.sh b/maint/scripts/run_autopep8.sh
index aad1fab2..29fe9bef 100755
--- a/maint/scripts/run_autopep8.sh
+++ b/maint/scripts/run_autopep8.sh
@@ -6,5 +6,6 @@
 # (and I'm not sure if the three-argument form of raise is really deprecated
 # in the first place)
 # E501 is "line longer than 80 chars" but the automated fix is ugly.
-# E301 adds a blank line between class declaration and docstring (?)
-autopep8 --ignore=W602,E501,E301 -i tornado/*.py tornado/platform/*.py tornado/test/*.py
+# E301 adds a blank line between docstring and first method
+# E309 adds a blank line between class declaration and docstring (?)
+autopep8 --ignore=W602,E501,E301,E309 -i tornado/*.py tornado/platform/*.py tornado/test/*.py