diff --git a/tests/test_embed/test_interpreter.cpp b/tests/test_embed/test_interpreter.cpp
index 1d0fbb75b..0dcc9d9c2 100644
--- a/tests/test_embed/test_interpreter.cpp
+++ b/tests/test_embed/test_interpreter.cpp
@@ -311,7 +311,7 @@ PYBIND11_EMBEDDED_MODULE(test_memory_leak, m) {
 TEST_CASE("Test that C++ objects are properly deconstructed.") {
     {
     auto local = py::dict();
-    local['__builtins__'] = py::globals()['__builtins__'];
+    local["__builtins__"] = py::globals()["__builtins__"];
     py::exec(R"(
 from test_memory_leak import TestObject