diff --git a/.coveragerc b/.coveragerc
index eebff58..f5ee82a 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -4,4 +4,4 @@ source = ceilometermiddleware
 omit = ceilometermiddleware/tests/*
 
 [report]
-ignore-errors = True
+ignore_errors = True