diff --git a/test/sequential/test-debugger-scripts.js b/test/sequential/test-debugger-scripts.js
index ddef77dd35177c..b0f611bd1c6491 100644
--- a/test/sequential/test-debugger-scripts.js
+++ b/test/sequential/test-debugger-scripts.js
@@ -38,5 +38,5 @@ const assert = require('assert');
     } finally {
       await cli.quit();
     }
-  })().then(common.mustCall);
+  })().then(common.mustCall());
 }