diff --git a/.travis.yml b/.travis.yml
index b06e34b..574955e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ otp_release:
        - R16B01
        - R16B
        - R15B02
-script: "./rebar3 update && ./rebar3 compile && ./rebar3 ct"
+script: "DEBUG=1 ./rebar3 update && ./rebar3 compile && ./rebar3 ct"
 branches:
         only:
                 - master