diff --git a/tests/cases/fourslash/scriptLexicalStructureModules.ts b/tests/cases/fourslash/scriptLexicalStructureModules.ts
index c7446111a0a..4331e64e0b0 100644
--- a/tests/cases/fourslash/scriptLexicalStructureModules.ts
+++ b/tests/cases/fourslash/scriptLexicalStructureModules.ts
@@ -3,6 +3,10 @@
 ////declare module "X.Y.Z" {
 ////}
 ////
+////{| "itemName": "'X2.Y2.Z2'", "kind": "module" |}
+////declare module 'X2.Y2.Z2' {
+////}
+////
 ////{| "itemName": "A.B.C", "kind": "module" |}
 ////module A.B.C {
 ////    {| "itemName": "x", "kind": "var", "parent": "A.B.C" |}
@@ -38,7 +42,7 @@ test.markers().forEach((marker) => {
     verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-/// We have 7 module keywords, and 4 var keywords.
+/// We have 8 module keywords, and 4 var keywords.
 /// The declarations of A.B.C.x do not get merged, so the 4 vars are independent.
-/// The two 'A' modules, however, do get merged, so in reality we have 6 modules.
-verify.getScriptLexicalStructureListCount(10);
+/// The two 'A' modules, however, do get merged, so in reality we have 7 modules.
+verify.getScriptLexicalStructureListCount(11);