diff --git a/setup.cfg b/setup.cfg
index e47133c..c603e61 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,7 +23,6 @@ packages =
     oslo_reports
 
 [pbr]
-warnerrors = true
 autodoc_index_modules = true
 autodoc_exclude_modules =
     oslo_reports._i18n
@@ -38,6 +37,7 @@ oslo.config.opts =
 source-dir = doc/source
 build-dir = doc/build
 all_files = 1
+warning-is-error = 1
 
 [upload_sphinx]
 upload-dir = doc/build/html