1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb
index d85f9ab3ef..aa7701e038 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb
@@ -64,7 +64,7 @@ module ActiveRecord
             end
 
             def type_cast_single_for_database(value)
-              infinity?(value) ? value : @subtype.serialize(value)
+              infinity?(value) ? value : @subtype.serialize(@subtype.cast(value))
             end
 
             def extract_bounds(value)