diff --git a/src/services/worker/SearchManager.ts b/src/services/worker/SearchManager.ts
index 45c7e2d7..a72ce0d2 100644
--- a/src/services/worker/SearchManager.ts
+++ b/src/services/worker/SearchManager.ts
@@ -61,6 +61,9 @@ export class SearchManager {
     limit: number,
     whereFilter?: Record<string, any>
   ): Promise<{ ids: number[]; distances: number[]; metadatas: any[] }> {
+    if (!this.chromaSync) {
+      return { ids: [], distances: [], metadatas: [] };
+    }
     return await this.chromaSync.queryChroma(query, limit, whereFilter);
   }
 
diff --git a/src/services/worker/http/routes/SessionRoutes.ts b/src/services/worker/http/routes/SessionRoutes.ts
index 7b33c8c3..2bbe8f0e 100644
--- a/src/services/worker/http/routes/SessionRoutes.ts
+++ b/src/services/worker/http/routes/SessionRoutes.ts
@@ -356,7 +356,7 @@ export class SessionRoutes extends BaseRouteHandler {
       // Sync user prompt to Chroma
       const chromaStart = Date.now();
       const promptText = latestPrompt.prompt_text;
-      this.dbManager.getChromaSync().syncUserPrompt(
+      this.dbManager.getChromaSync()?.syncUserPrompt(
         latestPrompt.id,
         latestPrompt.memory_session_id,
         latestPrompt.project,