diff --git a/src/memory/embeddings-gemini.test.ts b/src/memory/embeddings-gemini.test.ts
index b91dd9bd29f..451ebd795da 100644
--- a/src/memory/embeddings-gemini.test.ts
+++ b/src/memory/embeddings-gemini.test.ts
@@ -220,17 +220,18 @@ describe("gemini-embedding-2-preview provider", () => {
     await provider.embedBatch(["text1", "text2"]);
 
     const body = parseFetchBody(fetchMock);
-    expect(body.outputDimensionality).toBe(3072);
     expect(body.requests).toEqual([
       {
         model: "models/gemini-embedding-2-preview",
         content: { parts: [{ text: "text1" }] },
         taskType: "RETRIEVAL_DOCUMENT",
+        outputDimensionality: 3072,
       },
       {
         model: "models/gemini-embedding-2-preview",
         content: { parts: [{ text: "text2" }] },
         taskType: "RETRIEVAL_DOCUMENT",
+        outputDimensionality: 3072,
       },
     ]);
   });
diff --git a/src/memory/embeddings-gemini.ts b/src/memory/embeddings-gemini.ts
index ae7da66b7c0..3aa13d798f2 100644
--- a/src/memory/embeddings-gemini.ts
+++ b/src/memory/embeddings-gemini.ts
@@ -211,12 +211,12 @@ export async function createGeminiEmbeddingProvider(
         content: { parts: [{ text }] },
         taskType: options.taskType ?? "RETRIEVAL_DOCUMENT",
       };
+      if (isV2 && outputDimensionality != null) {
+        req.outputDimensionality = outputDimensionality;
+      }
       return req;
     });
     const batchBody: Record<string, unknown> = { requests };
-    if (isV2 && outputDimensionality != null) {
-      batchBody.outputDimensionality = outputDimensionality;
-    }
     const payload = await executeWithApiKeyRotation({
       provider: "google",
       apiKeys: client.apiKeys,
diff --git a/src/memory/embeddings.ts b/src/memory/embeddings.ts
index 9d55e226210..d91807c54c8 100644
--- a/src/memory/embeddings.ts
+++ b/src/memory/embeddings.ts
@@ -4,7 +4,11 @@ import type { OpenClawConfig } from "../config/config.js";
 import type { SecretInput } from "../config/types.secrets.js";
 import { formatErrorMessage } from "../infra/errors.js";
 import { resolveUserPath } from "../utils.js";
-import { createGeminiEmbeddingProvider, type GeminiEmbeddingClient } from "./embeddings-gemini.js";
+import {
+  createGeminiEmbeddingProvider,
+  type GeminiEmbeddingClient,
+  type GeminiTaskType,
+} from "./embeddings-gemini.js";
 import {
   createMistralEmbeddingProvider,
   type MistralEmbeddingClient,
@@ -77,7 +81,7 @@ export type EmbeddingProviderOptions = {
   /** Gemini embedding-2: output vector dimensions (768, 1536, or 3072). */
   outputDimensionality?: number;
   /** Gemini: override the default task type sent with embedding requests. */
-  taskType?: string;
+  taskType?: GeminiTaskType;
 };
 
 export const DEFAULT_LOCAL_MODEL =