diff --git a/packages/cli/src/lifecycles/serve.js b/packages/cli/src/lifecycles/serve.js
index 431bcc634..edfee323a 100644
--- a/packages/cli/src/lifecycles/serve.js
+++ b/packages/cli/src/lifecycles/serve.js
@@ -69,6 +69,7 @@ async function getDevServer(compilation) {
           const merged = mergeResponse(response.clone(), current.clone());
 
           response = merged;
+          break;
         }
       }