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-rw-r--r--lib/gitlab/config/entry/validators.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/gitlab/config/entry/validators.rb b/lib/gitlab/config/entry/validators.rb
index b88a6766d92..9e6a3d86e92 100644
--- a/lib/gitlab/config/entry/validators.rb
+++ b/lib/gitlab/config/entry/validators.rb
@@ -17,6 +17,7 @@ module Gitlab
class DisallowedKeysValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
+ value = value.try(:compact) if options[:ignore_nil]
present_keys = value.try(:keys).to_a & options[:in]
if present_keys.any?