diff --git a/tests/benchmarks/components/time/__init__.py b/tests/benchmarks/components/time/__init__.py
index 7f68003e29..8b4fd955f2 100644
--- a/tests/benchmarks/components/time/__init__.py
+++ b/tests/benchmarks/components/time/__init__.py
@@ -4,6 +4,6 @@ from tests.testing_helpers import ComponentManifestOverride
 
 def override_manifest(manifest: ComponentManifestOverride) -> None:
     async def to_code(config):
-        cg.add_build_flag("-DUSE_TIME_TIMEZONE")
+        cg.add_define("USE_TIME_TIMEZONE")
 
     manifest.to_code = to_code