diff --git a/cdist/conf/type/__postgres_conf/explorer/context b/cdist/conf/type/__postgres_conf/explorer/context
index 3a2fa504..def5f676 100644
--- a/cdist/conf/type/__postgres_conf/explorer/context
+++ b/cdist/conf/type/__postgres_conf/explorer/context
@@ -39,4 +39,5 @@ esac
 
 conf_name=${__object_id:?}
 
-su - "${postgres_user}" -c "psql postgres -twAc \"SELECT context FROM pg_settings WHERE name = '${conf_name}'\""
+# NOTE: SHOW/SET are case-insentitive, so this command should also be.
+su - "${postgres_user}" -c "psql postgres -twAc \"SELECT context FROM pg_settings WHERE lower(name) = lower('${conf_name}')\""
diff --git a/cdist/conf/type/__postgres_conf/explorer/state b/cdist/conf/type/__postgres_conf/explorer/state
index 400b27e8..a4930296 100644
--- a/cdist/conf/type/__postgres_conf/explorer/state
+++ b/cdist/conf/type/__postgres_conf/explorer/state
@@ -42,7 +42,8 @@ if su - "${postgres_user}" -c "psql postgres -twAc 'SHOW ${conf_name}'" \
 then
 	echo present
 else
-	case $(su - "${postgres_user}" -c "psql postgres -tAwc \"SELECT CASE WHEN source = 'default' OR setting = boot_val THEN 'default' ELSE source END FROM pg_settings WHERE name = '${conf_name}'\"")
+	# NOTE: SHOW/SET are case-insentitive, so this command should also be.
+	case $(su - "${postgres_user}" -c "psql postgres -tAwc \"SELECT CASE WHEN source = 'default' OR setting = boot_val THEN 'default' ELSE source END FROM pg_settings WHERE lower(name) = lower('${conf_name}')\"")
 	in
 		('')
 			# invalid configuration parameter