diff --git a/tests/test_multiple_translation_unit_1.cpp b/tests/test_multiple_translation_unit_1.cpp
index daff11a..08a4f98 100644
--- a/tests/test_multiple_translation_unit_1.cpp
+++ b/tests/test_multiple_translation_unit_1.cpp
@@ -7,5 +7,5 @@ int main()
     const std::string content("a = 0");
     std::istringstream iss(content);
     const auto data = toml::parse(iss, "test_multiple_translation_unit.toml");
-    return read_a(data);
+    return read_a(toml::get<toml::table>(data));
 }