diff --git a/mesonbuild/modules/__init__.py b/mesonbuild/modules/__init__.py
index 58e94a7a1..8fe61c63d 100644
--- a/mesonbuild/modules/__init__.py
+++ b/mesonbuild/modules/__init__.py
@@ -91,8 +91,11 @@ class ModuleState:
                   'env': env,
                   'depends': depends,
                   }
+        # typed_* takes a list, and gives a tuple to func_test. Violating that constraint
+        # makes the universe (or at least use of this function) implode
+        real_args = list(args)
         # TODO: Use interpreter internal API, but we need to go through @typed_kwargs
-        self._interpreter.func_test(self.current_node, args, kwargs)
+        self._interpreter.func_test(self.current_node, real_args, kwargs)
 
     def get_option(self, name: str, subproject: str = '',
                    machine: MachineChoice = MachineChoice.HOST,