diff --git a/sqlor/ddl_template_postgresql.py b/sqlor/ddl_template_postgresql.py
index 1453987..4d73127 100755
--- a/sqlor/ddl_template_postgresql.py
+++ b/sqlor/ddl_template_postgresql.py
@@ -23,7 +23,7 @@ NOT NULL
 {%- endif -%}
 {% endmacro %}
 {% macro primary() %}
-,primary key({{','.join(summary[0].primary)}})
+,PRIMARY KEY({{','.join(summary[0].primary)}})
 {% endmacro %}
 DROP TABLE IF EXISTS {{summary[0].name}};
 CREATE TABLE {{summary[0].name}}