diff --git a/asn1c/tests/data-70/data-70-15.in b/asn1c/tests/data-70/data-70-15.in
new file mode 100644
index 0000000000000000000000000000000000000000..3b894bd499932f6d3dfff36a9f644c8131729d49
--- /dev/null
+++ b/asn1c/tests/data-70/data-70-15.in
@@ -0,0 +1,5 @@
+<PDU>
+	<extensibleSet>
+		<string>one <nul/> two</string>
+	</extensibleSet>
+</PDU>