diff --git a/lib/active_record/connection_adapters/sqlserver/schema_statements.rb b/lib/active_record/connection_adapters/sqlserver/schema_statements.rb
index fd2c7bc21..aca80d3db 100644
--- a/lib/active_record/connection_adapters/sqlserver/schema_statements.rb
+++ b/lib/active_record/connection_adapters/sqlserver/schema_statements.rb
@@ -139,7 +139,7 @@ def change_column_null(table_name, column_name, allow_null, default = nil)
           if !allow_null.nil? && allow_null == false && !default.nil?
             do_execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL")
           end
-          sql = "ALTER TABLE #{table_name} ALTER COLUMN #{quote_column_name(column_name)} #{type_to_sql column.type, column.limit, column.precision, column.scale}"
+          sql = "ALTER TABLE #{quote_table_name(table_name)} ALTER COLUMN #{quote_column_name(column_name)} #{type_to_sql column.type, column.limit, column.precision, column.scale}"
           sql << ' NOT NULL' if !allow_null.nil? && allow_null == false
           do_execute sql
         end