diff --git a/lib/mocha/cli.js b/lib/mocha/cli.js
index a89e59023..126b0dd3c 100644
--- a/lib/mocha/cli.js
+++ b/lib/mocha/cli.js
@@ -200,7 +200,7 @@ class Cli extends Base {
 
         // explicitly show file with error
         if (test.file) {
-          log += `\n${output.styles.basic(figures.circle)} ${output.styles.section('File:')} ${output.styles.basic(test.file)}\n`
+          log += `\n${output.styles.basic(figures.circle)} ${output.styles.section('File:')} file://${test.file}\n`
         }
 
         const steps = test.steps || (test.ctx && test.ctx.test.steps)