diff --git a/benchmark/compare.js b/benchmark/compare.js
index 1efff9e85c072f..0c53d90def371b 100644
--- a/benchmark/compare.js
+++ b/benchmark/compare.js
@@ -83,7 +83,7 @@ if (showProgress) {
     const spawnArgs = ['-c', cpuCore, cli.optional[job.binary], resolvedPath, ...cli.optional.set];
     child = spawn('taskset', spawnArgs, {
       env: process.env,
-      stdio: ['inherit', 'pipe', 'pipe'],
+      stdio: ['inherit', 'pipe', 'pipe', 'ipc'],
     });
 
     child.stdout.pipe(process.stdout);
diff --git a/benchmark/run.js b/benchmark/run.js
index 11f95d8e71f035..ff2d41e6056aa2 100644
--- a/benchmark/run.js
+++ b/benchmark/run.js
@@ -54,7 +54,7 @@ if (format === 'csv') {
   let child;
   if (cpuCore !== null) {
     child = spawn('taskset', ['-c', cpuCore, 'node', scriptPath, ...args], {
-      stdio: ['inherit', 'pipe', 'pipe'],
+      stdio: ['inherit', 'pipe', 'pipe', 'ipc'],
     });
 
     child.stdout.pipe(process.stdout);