diff --git a/postgres/templates/pg_ident.conf.j2 b/postgres/templates/pg_ident.conf.j2
index 1d4696b..cb6fd6f 100644
--- a/postgres/templates/pg_ident.conf.j2
+++ b/postgres/templates/pg_ident.conf.j2
@@ -47,5 +47,5 @@
 # MAPNAME       SYSTEM-USERNAME         PG-USERNAME
 
 {%- for mapping in mappings %}
-{{ '{0:<15} {1:<22} {2}'.format(mapping) -}}
+{{ '{0:<15} {1:<22} {2}'.format(*mapping) -}}
 {% endfor %}