diff --git a/.travis.yml b/.travis.yml
index f89229f84bc..b9357c17c8f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ cache:
   directories:
     - node_modules
 env:
-  - CXX=g++-4.8
+  - CXX=g++-4.8 DEBUG=*
 addons:
   apt:
     sources: