diff --git a/setuptools/tests/test_build_meta.py b/setuptools/tests/test_build_meta.py
index ab75a1896c..0f4a1a7363 100644
--- a/setuptools/tests/test_build_meta.py
+++ b/setuptools/tests/test_build_meta.py
@@ -167,7 +167,7 @@ def test_build_with_existing_file_present(self, build_type, tmpdir_cwd):
             'pyproject.toml': DALS("""
                 [build-system]
                 requires = ["setuptools", "wheel"]
-                build-backend = "setuptools.build_meta
+                build-backend = "setuptools.build_meta"
             """),
         }
 
@@ -260,7 +260,7 @@ def test_build_sdist_pyproject_toml_exists(self, tmpdir_cwd):
             'pyproject.toml': DALS("""
                 [build-system]
                 requires = ["setuptools", "wheel"]
-                build-backend = "setuptools.build_meta
+                build-backend = "setuptools.build_meta"
                 """),
         }
         path.build(files)