diff --git a/src/backends/native/orchestrator.ts b/src/backends/native/orchestrator.ts
index 691d22b..68f1237 100644
--- a/src/backends/native/orchestrator.ts
+++ b/src/backends/native/orchestrator.ts
@@ -574,6 +574,7 @@ export class AgentOrchestrator {
    */
   getSystemPrompt(userMessage?: string): string {
     if (typeof userMessage === 'string') {
+      this._buildSessionContext();
       this._injectMemoryContext(userMessage);
     }
     return this._agent.getSystemPrompt();