diff --git a/dcc/text.py b/dcc/text.py
index a349a62..af06ebb 100644
--- a/dcc/text.py
+++ b/dcc/text.py
@@ -33,9 +33,9 @@ class Text(dcc.doom_base.WadMap):
 
     def take_action(self, parsed_args):
         text = None
-        map_names = self._config["map_names"]
+        map_names = self._config.get("map_names")
         if map_names is not None:
-            text = map_names[f"map{parsed_args.map}"]
+            text = map_names.get(f"map{parsed_args.map}")
         if text is None:
             text = sys.stdin.read().rstrip()
         if not parsed_args.nomap: