diff --git a/index.js b/index.js
index 9fab4da..2753c89 100644
--- a/index.js
+++ b/index.js
@@ -149,7 +149,7 @@ class Connection {
       );
 
       if (this.msgBuffer.length > 0) {
-        requestIdleCallback(() => {
+        setImmediate(() => {
           this.send();
         });
       }
@@ -224,7 +224,7 @@ class Connection {
         this.reachabilityTimeout = null;
 
         if (this.msgBuffer.length > 0) {
-          requestIdleCallback(() => {
+          setImmediate(() => {
             this.send();
           });
         }