diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js
index 6874227b7cd2d8..eacaf62bb34d11 100644
--- a/lib/internal/test_runner/test.js
+++ b/lib/internal/test_runner/test.js
@@ -194,7 +194,7 @@ function testMatchesPattern(test, patterns) {
 
 class TestPlan {
   constructor(count) {
-    validateUint32(count, 'count', 0);
+    validateUint32(count, 'count');
     this.expected = count;
     this.actual = 0;
   }
@@ -428,7 +428,7 @@ class Test extends AsyncResource {
 
     switch (typeof concurrency) {
       case 'number':
-        validateUint32(concurrency, 'options.concurrency', 1);
+        validateUint32(concurrency, 'options.concurrency', true);
         this.concurrency = concurrency;
         break;
 
diff --git a/lib/internal/validators.js b/lib/internal/validators.js
index 7bda5150a97c0f..298eab9bbdba2f 100644
--- a/lib/internal/validators.js
+++ b/lib/internal/validators.js
@@ -129,7 +129,7 @@ const validateInt32 = hideStackFrames(
  * @callback validateUint32
  * @param {*} value
  * @param {string} name
- * @param {number|boolean} [positive=false]
+ * @param {boolean} [positive=false]
  * @returns {asserts value is number}
  */
 
diff --git a/lib/v8.js b/lib/v8.js
index fcc1de6703a51e..d6f7d2ca47251a 100644
--- a/lib/v8.js
+++ b/lib/v8.js
@@ -248,7 +248,7 @@ function getHeapCodeStatistics() {
 
 let heapSnapshotNearHeapLimitCallbackAdded = false;
 function setHeapSnapshotNearHeapLimit(limit) {
-  validateUint32(limit, 'limit', 1);
+  validateUint32(limit, 'limit', true);
   if (heapSnapshotNearHeapLimitCallbackAdded ||
       getOptionValue('--heapsnapshot-near-heap-limit') > 0
   ) {