diff --git a/tools/traceur-jasmine/index.js b/tools/traceur-jasmine/index.js
index a082354dab..146af83a68 100644
--- a/tools/traceur-jasmine/index.js
+++ b/tools/traceur-jasmine/index.js
@@ -9,6 +9,11 @@ require('reflect-metadata/Reflect');
 
 var jrunner = new JasmineRunner();
 
+// Tun on full stack traces in errors to help debugging
+Error.stackTraceLimit = Infinity;
+
+jrunner.jasmine.DEFAULT_TIMEOUT_INTERVAL = 100;
+
 // Support passing multiple globs
 var globsIndex = process.argv.indexOf('--');
 var args;