diff --git a/lib/cli/run.js b/lib/cli/run.js
index d10b89f637..3a6ba0072c 100644
--- a/lib/cli/run.js
+++ b/lib/cli/run.js
@@ -245,7 +245,7 @@ exports.builder = yargs =>
       }
     })
     .positional('spec', {
-      default: ['test/'],
+      default: ['test'],
       description: 'One or more files, directories, or globs to test',
       type: 'array'
     })