diff --git a/tests/baselines/reference/spellingSuggestionLeadingUnderscores01.errors.txt b/tests/baselines/reference/spellingSuggestionLeadingUnderscores01.errors.txt
new file mode 100644
index 00000000000..a265dfc1fb6
--- /dev/null
+++ b/tests/baselines/reference/spellingSuggestionLeadingUnderscores01.errors.txt
@@ -0,0 +1,23 @@
+tests/cases/compiler/spellingSuggestionLeadingUnderscores01.ts(6,3): error TS2551: Property '___foo' does not exist on type '{ __foo: 10; }'. Did you mean '___foo'?
+
+
+==== tests/cases/compiler/spellingSuggestionLeadingUnderscores01.ts (1 errors) ====
+    // @filename abc.ts
+    export declare let a: {
+        __foo: 10,
+    }
+    
+    a.___foo
+      ~~~~~~
+!!! error TS2551: Property '___foo' does not exist on type '{ __foo: 10; }'. Did you mean '___foo'?
+    
+    // @filename def.ts
+    export let b: {
+        __foo: number
+    }
+    
+    b = {
+        __foo: 100,
+    }
+    
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/spellingSuggestionLeadingUnderscores01.js b/tests/baselines/reference/spellingSuggestionLeadingUnderscores01.js
new file mode 100644
index 00000000000..fbcc3dc1cad
--- /dev/null
+++ b/tests/baselines/reference/spellingSuggestionLeadingUnderscores01.js
@@ -0,0 +1,26 @@
+//// [spellingSuggestionLeadingUnderscores01.ts]
+// @filename abc.ts
+export declare let a: {
+    __foo: 10,
+}
+
+a.___foo
+
+// @filename def.ts
+export let b: {
+    __foo: number
+}
+
+b = {
+    __foo: 100,
+}
+
+
+
+//// [spellingSuggestionLeadingUnderscores01.js]
+"use strict";
+exports.__esModule = true;
+exports.a.___foo;
+exports.b = {
+    __foo: 100
+};