diff --git a/packages/collector/src/announceCycle/agentHostLookup.js b/packages/collector/src/announceCycle/agentHostLookup.js
index a19d6057ed..d6d8c34973 100644
--- a/packages/collector/src/announceCycle/agentHostLookup.js
+++ b/packages/collector/src/announceCycle/agentHostLookup.js
@@ -119,7 +119,9 @@ function checkHost(host, cb) {
     }
   };
 
+  /** @type {import('http').ClientRequest} */
   let req;
+
   try {
     /**
      * TODO:
@@ -173,6 +175,11 @@ function checkHost(host, cb) {
   }
 
   req.on('timeout', function onTimeout() {
+    if (req.destroyed) {
+      return;
+    }
+
+    req.destroy();
     handleCallback(
       new Error(`The attempt to connect to the Instana host agent on ${host}:${agentOpts.port} has timed out`)
     );
@@ -182,6 +189,11 @@ function checkHost(host, cb) {
   req.setTimeout(requestTimeout);
 
   req.on('error', err => {
+    if (req.destroyed) {
+      return;
+    }
+
+    req.destroy();
     handleCallback(
       new Error(
         `The attempt to connect to the Instana host agent on ${host}:${agentOpts.port} has failed with the following ` +