diff --git a/test/fixtures/test-runner/output/coverage-width-80-color.snapshot b/test/fixtures/test-runner/output/coverage-width-80-color.snapshot
index eb94b331a18001..8584d608fa43d8 100644
--- a/test/fixtures/test-runner/output/coverage-width-80-color.snapshot
+++ b/test/fixtures/test-runner/output/coverage-width-80-color.snapshot
@@ -20,7 +20,7 @@
 ℹ    output                         | [31m      [34m | [31m        [34m | [31m       [34m | 
 ℹ     [32mcoverage-width-80-color.mjs  [34m | [32m100.00[34m | [32m  100.00[34m | [32m 100.00[34m | 
 ℹ ------------------------------------------------------------------------------
-ℹ all files                         | [33m 61.33[34m | [32m  100.00[34m | [31m   0.00[34m | 
+ℹ all files                         | [33m 62.34[34m | [32m  100.00[34m | [31m   0.00[34m | 
 ℹ ------------------------------------------------------------------------------
 ℹ end of coverage report
 [39m
\ No newline at end of file
diff --git a/test/fixtures/test-runner/output/coverage-width-80-uncovered-lines-color.snapshot b/test/fixtures/test-runner/output/coverage-width-80-uncovered-lines-color.snapshot
index b9e56fca6586ac..abc9ed83bb6caf 100644
--- a/test/fixtures/test-runner/output/coverage-width-80-uncovered-lines-color.snapshot
+++ b/test/fixtures/test-runner/output/coverage-width-80-uncovered-lines-color.snapshot
@@ -21,7 +21,7 @@
 ℹ    output                                         | [31m      [34m | [31m        [34m | [31m       [34m | 
 ℹ     [32mcoverage-width-80-uncovered-lines-color.mjs  [34m | [32m100.00[34m | [32m  100.00[34m | [32m 100.00[34m | 
 ℹ --------------------------------------------------------------------------------------------------
-ℹ all files                                         | [33m 52.91[34m | [33m   60.00[34m | [31m   1.61[34m | 
+ℹ all files                                         | [33m 53.24[34m | [33m   60.00[34m | [31m   1.61[34m | 
 ℹ --------------------------------------------------------------------------------------------------
 ℹ end of coverage report
 [39m
\ No newline at end of file
diff --git a/test/parallel/test-runner-output.mjs b/test/parallel/test-runner-output.mjs
index 4bb22fa2f39d6b..ab7391a757ef2a 100644
--- a/test/parallel/test-runner-output.mjs
+++ b/test/parallel/test-runner-output.mjs
@@ -1,3 +1,4 @@
+// Flags: --expose-internals
 import * as common from '../common/index.mjs';
 import * as fixtures from '../common/fixtures.mjs';
 import * as snapshot from '../common/assertSnapshot.js';
@@ -5,14 +6,13 @@ import { describe, it } from 'node:test';
 import { hostname } from 'node:os';
 import { chdir, cwd } from 'node:process';
 import { fileURLToPath } from 'node:url';
+import internalTTy from 'internal/tty';
 
 const skipForceColors =
   process.config.variables.icu_gyp_path !== 'tools/icu/icu-generic.gyp' ||
   process.config.variables.node_shared_openssl;
 
-const canColorize = process.stderr?.isTTY && (
-  typeof process.stderr?.getColorDepth === 'function' ?
-    process.stderr?.getColorDepth() > 2 : true);
+const canColorize = internalTTy.getColorDepth() > 2;
 const skipCoverageColors = !canColorize;
 
 function replaceTestDuration(str) {