diff --git a/postgres/macros.jinja b/postgres/macros.jinja
index 814f5988..abd2c9c1 100644
--- a/postgres/macros.jinja
+++ b/postgres/macros.jinja
@@ -4,7 +4,7 @@
 
   {%- filter indent(4) %}
     {%- for k, v in kwarg|dictsort() %}
-- {{ k }}: {{ v }}
+- {{ k }}: {{ v|yaml_dquote if v is string else v }}
     {%- endfor %}
   {%- endfilter %}