diff --git a/.coveragerc b/.coveragerc
index a3db1f5..2b1cde0 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -4,4 +4,4 @@ source = serialization
 omit = serialization/tests/*,serialization/openstack/*
 
 [report]
-ignore-errors = True
\ No newline at end of file
+ignore_errors = True