diff --git a/salt/telegraf/etc/telegraf.conf b/salt/telegraf/etc/telegraf.conf
index e18205ad1..8a48186af 100644
--- a/salt/telegraf/etc/telegraf.conf
+++ b/salt/telegraf/etc/telegraf.conf
@@ -110,9 +110,14 @@
   # Every metric table is a daily time-range partitioned parent managed by
   # pg_partman. Retention drops old partitions instead of row-by-row DELETEs.
   {% raw %}
+  # pg_partman.create_parent() splits p_parent_table on '.' and looks the
+  # parts up as raw identifiers, so the string literal must be
+  # 'schema.name', NOT '"schema"."name"'. {{ .table|quoteLiteral }} would
+  # emit the double-quoted form and partman fails with "Unable to find
+  # given parent table in system catalogs."
   create_templates = [
     '''CREATE TABLE {{ .table }} ({{ .columns }}) PARTITION BY RANGE ("time")''',
-    '''SELECT partman.create_parent(p_parent_table := {{ .table|quoteLiteral }}, p_control := 'time', p_type := 'range', p_interval := '1 day', p_premake := 3)'''
+    '''SELECT partman.create_parent(p_parent_table := {{ printf "%s.%s" .table.Schema .table.Name | quoteLiteral }}, p_control := 'time', p_type := 'range', p_interval := '1 day', p_premake := 3)'''
   ]
   {% endraw %}
 {%- endif %}