diff --git a/packages/next/client/dev/error-overlay/eventsource.js b/packages/next/client/dev/error-overlay/eventsource.js
index 2afca1e10bcd4a7..ce83fb9eb3c025f 100644
--- a/packages/next/client/dev/error-overlay/eventsource.js
+++ b/packages/next/client/dev/error-overlay/eventsource.js
@@ -46,7 +46,7 @@ function EventSourceWrapper(options) {
 
   return {
     close: () => {
-      clearTimeout(timer)
+      clearInterval(timer)
       source.close()
     },
     addMessageListener: function(fn) {