diff --git a/lib/cli.js b/lib/cli.js
index 51fc225b..b5f8155a 100755
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -346,7 +346,7 @@ internals.options = function () {
         verbose: false,
         paths: ['test'],
         coverage: false,
-        debug: true,
+        debug: false,
         dry: false,
         environment: 'test',
         flat: false,
diff --git a/test/cli.js b/test/cli.js
index 7d5a3f24..fde1ea4d 100755
--- a/test/cli.js
+++ b/test/cli.js
@@ -203,6 +203,21 @@ describe('CLI', () => {
         });
     });
 
+    it('debug mode is disabled by default', (done) => {
+
+        RunCli(['test/cli_error/failure.js'], (error, result) => {
+
+            if (error) {
+                done(error);
+            }
+
+            expect(result.errorOutput).to.equal('');
+            expect(result.code).to.equal(1);
+            expect(result.combinedOutput).to.not.contain('Test script errors:');
+            done();
+        });
+    });
+
     it('shows the help (-h)', (done) => {
 
         RunCli(['-h'], (error, result) => {