1 files changed, 2 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index b2a7b40ded..a90adcf4aa 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -483,9 +483,8 @@ module ActiveRecord
         end
 
         def rename_index(table_name, old_name, new_name)
-          if new_name.length > allowed_index_name_length
-            raise ArgumentError, "Index name '#{new_name}' on table '#{table_name}' is too long; the limit is #{allowed_index_name_length} characters"
-          end
+          validate_index_length!(table_name, new_name)
+
           execute "ALTER INDEX #{quote_column_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
         end