diff --git a/dcc/doom_base.py b/dcc/doom_base.py
index 7ef5f5b..44983fe 100644
--- a/dcc/doom_base.py
+++ b/dcc/doom_base.py
@@ -19,7 +19,14 @@ class Wad(dcc.config.Base):
         wcp = self.pwads.joinpath(self.wad).joinpath(self.config_name)
         if wcp.exists():
             self._wad_config = tomlkit.toml_file.TOMLFile(wcp).read()
-            self._config.update(self._wad_config.value)
+            for k,v in self._wad_config.items():
+                if isinstance(v, dict):
+                    if not k in self._config:
+                        self._config[k] = {}
+                    for sk in v:
+                        self._config[k][sk] = v[sk]
+                else:
+                    self._config[k] = v
 
     def run(self, parsed_args):
         self.wad_init(parsed_args)