diff --git a/src/bin/rust-bfdd.rs b/src/bin/rust-bfdd.rs
index 28870ba..15ad371 100644
--- a/src/bin/rust-bfdd.rs
+++ b/src/bin/rust-bfdd.rs
@@ -545,6 +545,10 @@ impl BfdSession {
             _ => {}
         }
         self.state.set_session_state(new_state);
+        // https://datatracker.ietf.org/doc/html/rfc5880#section-6.8.7
+        //   A BFD Control packet SHOULD be transmitted during the interval between periodic Control packet
+        //   transmissions when the contents of that packet would differ from that in the previously transmitted packet
+        self.transmit_control_packet(false).await;
     }
 
     async fn run(&mut self) {