diff --git a/test/pinning14.test b/test/pinning14.test
new file mode 100644
index 0000000..e6a9761
--- /dev/null
+++ b/test/pinning14.test
@@ -0,0 +1,5 @@
+@ARGS
+--test-repo testing:pinning-overlay1.repo
+add -t .foo samever@testing=10
+@EXPECT
+ERROR: 'samever@testing=10' is not a valid child dependency, format is name([<>~=]version)