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-rw-r--r--activerecord/lib/active_record/enum.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb
index 442fb3fdc9..1afbfb1977 100644
--- a/activerecord/lib/active_record/enum.rb
+++ b/activerecord/lib/active_record/enum.rb
@@ -106,6 +106,7 @@ module ActiveRecord
end
def type_cast_from_database(value)
+ return if value.nil?
mapping.key(value.to_i)
end