1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb
index 3d97e4e513..3a600835e1 100644
--- a/activerecord/lib/active_record/enum.rb
+++ b/activerecord/lib/active_record/enum.rb
@@ -218,6 +218,10 @@ module ActiveRecord
           MSG
           raise ArgumentError, error_message
         end
+
+        if values.is_a?(Hash) && values.keys.any?(&:blank?) || values.is_a?(Array) && values.any?(&:blank?)
+          raise ArgumentError, "Enum label name must not be blank."
+        end
       end
 
       ENUM_CONFLICT_MESSAGE = \