diff --git a/testdata/parser/negative/12.txt b/testdata/parser/negative/12.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20ad8c4be5e80c3022c57c4783a34c7709dd9c77
--- /dev/null
+++ b/testdata/parser/negative/12.txt
@@ -0,0 +1,3 @@
+Parse error at 12.pdl:6:3: Illegal channel delcaration
+		channel x -> y;
+		^