diff --git a/tests/cases/fourslash/signatureHelpWithInvalidArgumentList1.ts b/tests/cases/fourslash/signatureHelpWithInvalidArgumentList1.ts
new file mode 100644
index 00000000000..f280adb1d9e
--- /dev/null
+++ b/tests/cases/fourslash/signatureHelpWithInvalidArgumentList1.ts
@@ -0,0 +1,9 @@
+/// <reference path='fourslash.ts' />
+
+////function foo(a) { }
+////foo(hello my name /**/is
+
+goTo.marker();
+verify.signatureHelpPresent();
+verify.signatureHelpCountIs(1);
+