diff --git a/extensions/matrix/src/outbound.test.ts b/extensions/matrix/src/outbound.test.ts
index 8dc6e35ee42..c34fee012fe 100644
--- a/extensions/matrix/src/outbound.test.ts
+++ b/extensions/matrix/src/outbound.test.ts
@@ -170,7 +170,7 @@ describe("matrixOutbound cfg threading", () => {
     );
   });
 
-  it("renders MessagePresentation into Matrix custom content metadata", () => {
+  it("renders MessagePresentation into Matrix custom content metadata", async () => {
     const presentation = {
       title: "Select thinking level",
       tone: "info" as const,
@@ -185,7 +185,7 @@ describe("matrixOutbound cfg threading", () => {
       ],
     };
 
-    const rendered = matrixOutbound.renderPresentation!({
+    const rendered = await matrixOutbound.renderPresentation!({
       payload: { text: "fallback", presentation },
       presentation,
       ctx: {} as never,
diff --git a/extensions/matrix/src/outbound.ts b/extensions/matrix/src/outbound.ts
index 06a60153be9..93f98898bae 100644
--- a/extensions/matrix/src/outbound.ts
+++ b/extensions/matrix/src/outbound.ts
@@ -51,7 +51,7 @@ function renderMatrixPresentationPayload(params: {
       matrix: {
         ...matrixData,
         extraContent: {
-          ...(matrixData.extraContent ?? {}),
+          ...matrixData.extraContent,
           [MATRIX_OPENCLAW_PRESENTATION_KEY]: buildMatrixPresentationContent(params.presentation),
         },
       },