diff --git a/benchbuild/command.py b/benchbuild/command.py
index 17a1e09aa..6afe61365 100644
--- a/benchbuild/command.py
+++ b/benchbuild/command.py
@@ -581,7 +581,7 @@ def __call__(self, *args: tp.Any, **kwargs: tp.Any) -> tp.Any:
         return watch(cmd_w_output)(*args)
 
     def rendered_args(self, **kwargs: tp.Any) -> tp.Tuple[str, ...]:
-        args = []
+        args: tp.List[str] = []
 
         for arg in self._args:
             if isinstance(arg, ArgsToken):