diff --git a/scripts/generate-options.py b/scripts/generate-options.py
index abfc6fc..c195504 100644
--- a/scripts/generate-options.py
+++ b/scripts/generate-options.py
@@ -55,6 +55,8 @@ def render_option_value(option: Mapping[str, Any], key: str) -> str:
     if key not in option:
         return ""
 
+    value = None
+
     if isinstance(option[key], dict) and "_type" in option[key]:
         if option[key]["_type"] == "literalExpression":
             # multi-line codeblock
@@ -78,7 +80,9 @@ def render_option_value(option: Mapping[str, Any], key: str) -> str:
         else:
             value = md_literal(text)
 
-    return f"- {key}: {value}"  # type: ignore
+    assert value is not None
+
+    return f"- {key}: {value}"
 
 
 def print_option(option):