diff --git a/.taprc b/.taprc
deleted file mode 100644
index 835bdc7..0000000
--- a/.taprc
+++ /dev/null
@@ -1,2 +0,0 @@
-files:
-  - "test/**/*"
diff --git a/index.js b/index.js
index d0dab30..c20ceed 100644
--- a/index.js
+++ b/index.js
@@ -5,7 +5,7 @@ const types = parse.types
 
 function safeRegex (re, opts) {
   if (!opts) opts = {}
-  const replimit = opts.limit ?? 25
+  const replimit = opts.limit === undefined ? 25 : opts.limit
 
   /* c8 ignore next 2 */
   if (isRegExp(re)) re = re.source
diff --git a/package.json b/package.json
index b518d26..218ee39 100644
--- a/package.json
+++ b/package.json
@@ -11,14 +11,14 @@
   "devDependencies": {
     "@fastify/pre-commit": "^2.1.0",
     "standard": "^17.1.0",
-    "tap": "^18.7.2",
+    "tape": "^5.7.5",
     "tsd": "^0.31.0"
   },
   "scripts": {
     "lint": "standard",
     "test": "npm run test:unit && npm run test:typescript",
     "test:typescript": "tsd",
-    "test:unit": "tap"
+    "test:unit": "tape test/*.js"
   },
   "repository": {
     "type": "git",
diff --git a/test/regex.js b/test/regex.js
index c5a8aa2..4e2f6bf 100644
--- a/test/regex.js
+++ b/test/regex.js
@@ -1,7 +1,7 @@
 'use strict'
 
 const safe = require('../')
-const { test } = require('tap')
+const test = require('tape')
 
 const good = [
   /\bOakland\b/,