diff --git a/lib/internal/process/task_queues.js b/lib/internal/process/task_queues.js
index 2a14b9dea68080..2c53b21040e5d8 100644
--- a/lib/internal/process/task_queues.js
+++ b/lib/internal/process/task_queues.js
@@ -68,7 +68,7 @@ function runNextTicks() {
 function processTicksAndRejections() {
   let tock;
   do {
-    while (tock = queue.shift()) {
+    while ((tock = queue.shift()) !== null) {
       const asyncId = tock[async_id_symbol];
       emitBefore(asyncId, tock[trigger_async_id_symbol], tock);