diff --git a/lib/spawn.js b/lib/spawn.js
index f9598799d..228499488 100644
--- a/lib/spawn.js
+++ b/lib/spawn.js
@@ -109,7 +109,7 @@ class Spawn extends Base {
       this.options.signal = signal
 
     // spawn closing with no tests is treated as a skip.
-    if (this.results.plan && this.results.plan.skipAll && !code && !signal)
+    if (this.results && this.results.plan && this.results.plan.skipAll && !code && !signal)
       this.options.skip = this.results.plan.skipReason || true
 
     if (code || signal) {
diff --git a/lib/tap.js b/lib/tap.js
index 1d9a042e4..d5b3cf787 100644
--- a/lib/tap.js
+++ b/lib/tap.js
@@ -9,9 +9,9 @@ const _didPipe = Symbol('_didPipe')
 
 const monkeypatchEpipe = () => {
   const emit = process.stdout.emit
-  process.stdout.emit = (ev, er) => {
+  process.stdout.emit = function (ev, er) {
     if (ev !== 'error' || er.code !== 'EPIPE')
-      return emit.apply(process, arguments)
+      return emit.apply(process.stdout, arguments)
   }
 }
 
diff --git a/package-lock.json b/package-lock.json
index 760e9e17c..b75716f94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "tap",
-  "version": "11.1.0",
+  "version": "11.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 04516a1f3..2ad646a34 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tap",
-  "version": "11.1.0",
+  "version": "11.1.1",
   "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
   "description": "A Test-Anything-Protocol library",
   "homepage": "http://node-tap.org/",
diff --git a/test/regression-many-asserts-epipe.js b/test/regression-many-asserts-epipe.js
new file mode 100644
index 000000000..2d4290cf2
--- /dev/null
+++ b/test/regression-many-asserts-epipe.js
@@ -0,0 +1,9 @@
+'use strict'
+// See https://github.com/tapjs/node-tap/issues/422
+const t = require('../')
+t.test('just a lot of asserts in rapid succession', t => {
+  for (let i = 0; i < 5000; i++) {
+    t.pass('a number is ' + i)
+  }
+  t.end()
+})