diff --git a/lib/get-text.js b/lib/get-text.js
index 50771c29..dc714420 100644
--- a/lib/get-text.js
+++ b/lib/get-text.js
@@ -150,7 +150,8 @@ export default class GetText {
         var id,
             pluralId,
             isTemplate,
-            extractedComments = [];
+            extractedComments,
+            domain = "test-domain"; // XXX
 
         // single form
         const arg = this.#parseCallExpressionArgument( method === "l10nd" ? node.arguments[1] : node.arguments[0], { file, start } );
@@ -192,11 +193,18 @@ export default class GetText {
             message.references = [reference];
         }
 
+        // domain
+        if ( domain ) {
+            message.extractedComments ??= {};
+            message.extractedComments.domains ??= [];
+            message.extractedComments.domains.push( domain );
+        }
+
         // extracted comments
         if ( extractedComments ) {
-            message.extractedComments ?? {};
+            message.extractedComments ??= {};
             message.extractedComments.comments ??= [];
-            message.extractedComments.push( extractedComments );
+            message.extractedComments.comments.push( extractedComments );
         }
 
         poFile.addMessages( { [id]: message } );