diff --git a/.travis.yml b/.travis.yml
index f2927b8..362c71e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -49,3 +49,6 @@ env:
   global:
     # Override the default `--features unstable` used for the nightly branch
     - TRAVIS_CARGO_NIGHTLY_FEATURE=""
+  matrix:
+    - ARCH=x64_64
+    - ARCH=i686