diff --git a/run_agent.py b/run_agent.py
index 0537dd973ca..ec3efe4a0c1 100644
--- a/run_agent.py
+++ b/run_agent.py
@@ -1409,9 +1409,10 @@ class AIAgent:
 
         from hermes_time import now as _hermes_now
         now = _hermes_now()
-        prompt_parts.append(
-            f"Conversation started: {now.strftime('%A, %B %d, %Y %I:%M %p')}"
-        )
+        timestamp_line = f"Conversation started: {now.strftime('%A, %B %d, %Y %I:%M %p')}"
+        if self.session_id:
+            timestamp_line += f"\nSession ID: {self.session_id}"
+        prompt_parts.append(timestamp_line)
 
         platform_key = (self.platform or "").lower().strip()
         if platform_key in PLATFORM_HINTS: