diff --git a/examples/voice-assistant/minimal_assistant.py b/examples/voice-assistant/minimal_assistant.py
index 35e0dee8e..9f6b0c2b1 100644
--- a/examples/voice-assistant/minimal_assistant.py
+++ b/examples/voice-assistant/minimal_assistant.py
@@ -26,6 +26,7 @@ async def entrypoint(ctx: JobContext):
         llm=openai.LLM(),
         tts=openai.TTS(),
         chat_ctx=initial_ctx,
+        plotting=True,
     )
     assistant.start(ctx.room)
 
diff --git a/livekit-agents/livekit/agents/voice_assistant/plotter.py b/livekit-agents/livekit/agents/voice_assistant/plotter.py
index 41a2cf349..1b5390be5 100644
--- a/livekit-agents/livekit/agents/voice_assistant/plotter.py
+++ b/livekit-agents/livekit/agents/voice_assistant/plotter.py
@@ -88,7 +88,7 @@ def _draw_plot(mp_cch):
 
     def _draw_cb(sp, pv):
         while True:
-            events = selector.select(timeout=0)
+            events = selector.select(timeout=0.01)
             if not events:
                 break
 
@@ -140,7 +140,7 @@ def _draw_cb(sp, pv):
 
         fig.canvas.draw()
 
-    timer = fig.canvas.new_timer(interval=33)
+    timer = fig.canvas.new_timer(interval=150)
     timer.add_callback(_draw_cb, sp, pv)
     timer.start()
     plt.show()