diff --git a/test/test-typescript-test.cpp b/test/test-typescript-test.cpp
index b697b70046..e175348625 100644
--- a/test/test-typescript-test.cpp
+++ b/test/test-typescript-test.cpp
@@ -293,6 +293,19 @@ TEST(Test_TypeScript_Test, markdown_unit_is_ignored) {
   EXPECT_FALSE(units[1].get_linter_options().has_value());
   EXPECT_TRUE(units[2].get_linter_options().has_value());
 }
+
+TEST(Test_TypeScript_Test, files_in_node_modules_are_ignored) {
+  // compiler/moduleResolutionWithExtensions_unexpected2.ts has garbage files in
+  // node_modules. I think this means we should ignore anything in node_modules
+  // (unless explicitly imported?).
+  Padded_String file(
+      u8"// @filename: /node_modules/foo.js\n"_sv
+      u8"hello();\n"_sv);
+  TypeScript_Test_Units units =
+      extract_units_from_typescript_test(std::move(file), u8"hello.js");
+  ASSERT_EQ(units.size(), 1);
+  EXPECT_FALSE(units[0].get_linter_options().has_value());
+}
 }
 }
 
diff --git a/tools/test-typescript/typescript-test.cpp b/tools/test-typescript/typescript-test.cpp
index 6c98f69b1e..a5814f2a5f 100644
--- a/tools/test-typescript/typescript-test.cpp
+++ b/tools/test-typescript/typescript-test.cpp
@@ -127,6 +127,9 @@ find_typescript_test_filename_metadata_directive(
 }
 
 std::optional<Linter_Options> TypeScript_Test_Unit::get_linter_options() const {
+  if (starts_with(String8_View(this->name), u8"/node_modules/"_sv)) {
+    return std::nullopt;
+  }
   if (ends_with(String8_View(this->name), u8".json"_sv)) {
     return std::nullopt;
   }