diff --git a/test/191_data/main.cfg b/test/191_data/main.cfg
new file mode 100644
index 0000000..dd262ea
--- /dev/null
+++ b/test/191_data/main.cfg
@@ -0,0 +1,18 @@
+
+parent 191_data/parent_ü.cfg
+
+BOX designA
+
+sample
+    A from config file main
+ends
+
+shapes {
+     w ("AAA", "AAA", "AAA")
+}
+
+elastic (
+	w
+)
+
+END designA
diff --git a/test/191_data/parent_ü.cfg b/test/191_data/parent_ü.cfg
new file mode 100644
index 0000000..83df376
--- /dev/null
+++ b/test/191_data/parent_ü.cfg
@@ -0,0 +1,15 @@
+BOX designB
+
+sample
+    B from config file parent_ü
+ends
+
+shapes {
+     w ("BBB")
+}
+
+elastic (
+	w
+)
+
+END designB
diff --git a/test/191_unicode_parent_config.txt b/test/191_unicode_parent_config.txt
new file mode 100644
index 0000000..79ff637
--- /dev/null
+++ b/test/191_unicode_parent_config.txt
@@ -0,0 +1,13 @@
+:DESC
+Reference a design from a parent config defined in a config file with a UTF-8 file name.
+
+:ARGS
+-f 191_data/main.cfg -d designB -p l1 -s x3 -a vc
+:INPUT
+foo
+:OUTPUT-FILTER
+:EXPECTED
+BBB
+BBB foo
+BBB
+:EOF