diff --git a/.travis.yml b/.travis.yml
index e128008..64dde33 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,9 @@ cache:
   - node_modules
 
 before_script:
+  - if [[ $TRAVIS_NODE_VERSION == "6" ]]; then export LAB_FLAGS="--leaks"; else export LAB_FLAGS=""; fi
   - npm install seneca$SENECA_VER
+  - echo FLAGS:$LAB_FLAGS
 
 after_script:
   npm run coverage
diff --git a/package.json b/package.json
index c1cbcd4..7c2914f 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
   "license": "MIT",
   "main": "user.js",
   "scripts": {
-    "test": "lab -P test -r console -v -m 3000 -t 76",
+    "test": "lab -P test -r console -v -m 3000 -t 76 $LAB_FLAGS",
+    "test:node6": "LAB_FLAGS='--leaks' && npm test",
     "lint": "lab -dL",
     "coverage": "lab -s -P test -r lcov | coveralls",
     "annotate": "docco user.js -o doc"