diff --git a/tests/cases/fourslash/scriptLexicalStructureItems2.ts b/tests/cases/fourslash/scriptLexicalStructureItems2.ts
new file mode 100644
index 00000000000..092527ec937
--- /dev/null
+++ b/tests/cases/fourslash/scriptLexicalStructureItems2.ts
@@ -0,0 +1,12 @@
+/// <reference path="fourslash.ts"/>
+
+
+/////**/
+
+goTo.marker();
+edit.insertLine("module A");
+edit.insert("export class ");
+
+// should not crash
+verify.getScriptLexicalStructureListCount(1);
+