diff --git a/core/src/main/scala/kafka/server/Observer.scala b/core/src/main/scala/kafka/server/Observer.scala
index 624f609fbdd47..591fa05189ebb 100644
--- a/core/src/main/scala/kafka/server/Observer.scala
+++ b/core/src/main/scala/kafka/server/Observer.scala
@@ -82,6 +82,7 @@ object Observer {
         requestDesc += " null"
       } else {
         requestDesc += (" header: " + request.header)
+        requestDesc += (" connection ID: " + request.context.connectionId)
         requestDesc += (" from service with principal: " +
           request.session.sanitizedUser +
           " IP address: " + request.session.clientAddress)