diff --git a/index.js b/index.js
index 728ba96..c9b4185 100755
--- a/index.js
+++ b/index.js
@@ -145,13 +145,15 @@ function parse (text, reviver, options) {
 function safeParse (text, reviver) {
   const { stackTraceLimit } = Error
   Error.stackTraceLimit = 0
+  let result
   try {
-    return _parse(text, reviver, { safe: true })
+    result = _parse(text, reviver, { safe: true })
   } catch {
-    return undefined
+    result = undefined
   } finally {
     Error.stackTraceLimit = stackTraceLimit
   }
+  return result
 }
 
 module.exports = parse
diff --git a/package.json b/package.json
index 109c180..0d6a79f 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "benchmark": "cd benchmarks && npm install && npm run all",
     "lint": "eslint",
     "lint:fix": "eslint --fix",
-    "test": "nyc npm run test:unit && npm run test:typescript",
+    "test": "c8 --all --include index.js --check-coverage --100 npm run test:unit && npm run test:typescript",
     "test:unit": "tape \"test/*.test.js\"",
     "test:typescript": "tstyche",
     "test:browser": "airtap test/*.test.js"
@@ -64,9 +64,9 @@
   "devDependencies": {
     "airtap": "^5.0.0",
     "airtap-playwright": "^1.0.1",
+    "c8": "^12.0.0",
     "eslint": "^9.17.0",
     "neostandard": "^0.13.0",
-    "nyc": "^18.0.0",
     "playwright": "^1.43.1",
     "tape": "^5.7.5",
     "tstyche": "^7.1.0"
diff --git a/test/index.test.js b/test/index.test.js
index 835d582..8c0c1ad 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -453,11 +453,13 @@ test('safeParse', t => {
     t.end()
   })
 
-  t.test('returns undefined on invalid object string', t => {
+  t.test('returns undefined on invalid object string and resets stackTraceLimit', t => {
+    Error.stackTraceLimit = 42
     t.strictEqual(
       j.safeParse('{"a": 5, "b": 6'),
       undefined
     )
+    t.strictEqual(Error.stackTraceLimit, 42)
     t.end()
   })