diff --git a/blueprintcompiler/language/adw_response_dialog.py b/blueprintcompiler/language/adw_response_dialog.py
index b1b43a4..7c307db 100644
--- a/blueprintcompiler/language/adw_response_dialog.py
+++ b/blueprintcompiler/language/adw_response_dialog.py
@@ -80,11 +80,14 @@ class ExtAdwResponseDialogResponse(AstNode):
         return not any(flag.flag == "disabled" for flag in self.flags)
 
     @property
-    def value(self) -> StringValue:
+    def value(self) -> T.Optional[StringValue]:
         return self.children[0]
 
     @property
-    def document_symbol(self) -> DocumentSymbol:
+    def document_symbol(self) -> T.Optional[DocumentSymbol]:
+        if self.value is None:
+            return None
+
         return DocumentSymbol(
             self.id,
             SymbolKind.Field,
diff --git a/blueprintcompiler/outputs/xml/__init__.py b/blueprintcompiler/outputs/xml/__init__.py
index c8820aa..ee99777 100644
--- a/blueprintcompiler/outputs/xml/__init__.py
+++ b/blueprintcompiler/outputs/xml/__init__.py
@@ -364,6 +364,7 @@ class XmlOutput(OutputFormat):
         elif isinstance(extension, ExtAdwResponseDialog):
             xml.start_tag("responses")
             for response in extension.responses:
+                assert response.value is not None
                 xml.start_tag(
                     "response",
                     id=response.id,