diff --git a/testdata/parser/negative/9.txt b/testdata/parser/negative/9.txt
new file mode 100644
index 0000000000000000000000000000000000000000..96c258e43b702a2806a73fc182ca7b2de70cd214
--- /dev/null
+++ b/testdata/parser/negative/9.txt
@@ -0,0 +1,3 @@
+Parse error at 9.pdl:6:3: Illegal channel delcaration
+		channel yo -> yi;
+		^