diff --git a/.travis.yml b/.travis.yml
index 398489d..67f8b04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -47,6 +47,10 @@ matrix:
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.5
+    - os: linux
+      env:
+        - MB_PYTHON_VERSION=3.5
+        - PLAT=i686
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.6