diff --git a/cluster/addons/fluentd-elasticsearch/OWNERS b/cluster/addons/fluentd-elasticsearch/OWNERS
index b2e859ee702..14bb6e15eb9 100644
--- a/cluster/addons/fluentd-elasticsearch/OWNERS
+++ b/cluster/addons/fluentd-elasticsearch/OWNERS
@@ -1,6 +1,6 @@
 approvers:
-- Crassirostris
+- crassirostris
 - piosz
 reviewers:
-- Crassirostris
+- crassirostris
 - piosz
diff --git a/cluster/addons/fluentd-gcp/OWNERS b/cluster/addons/fluentd-gcp/OWNERS
index b2e859ee702..14bb6e15eb9 100644
--- a/cluster/addons/fluentd-gcp/OWNERS
+++ b/cluster/addons/fluentd-gcp/OWNERS
@@ -1,6 +1,6 @@
 approvers:
-- Crassirostris
+- crassirostris
 - piosz
 reviewers:
-- Crassirostris
+- crassirostris
 - piosz
diff --git a/cluster/saltbase/salt/fluentd-gcp/OWNERS b/cluster/saltbase/salt/fluentd-gcp/OWNERS
index b2e859ee702..14bb6e15eb9 100644
--- a/cluster/saltbase/salt/fluentd-gcp/OWNERS
+++ b/cluster/saltbase/salt/fluentd-gcp/OWNERS
@@ -1,6 +1,6 @@
 approvers:
-- Crassirostris
+- crassirostris
 - piosz
 reviewers:
-- Crassirostris
+- crassirostris
 - piosz