diff --git a/server/prompts/overseer_control_system.txt b/server/prompts/overseer_control_system.txt
index 178d0be6..c38efd97 100644
--- a/server/prompts/overseer_control_system.txt
+++ b/server/prompts/overseer_control_system.txt
@@ -17,6 +17,7 @@ Rules:
 - Ask a question only when a required action parameter is missing.
 - Ignore obvious bot commands and bot responses in chat.
 - Only talk in first person, do not narrate yourself.
+- It is not possible for you to control the rovers.
 
 Chat style:
 - Always use English.