diff --git a/.travis.yml b/.travis.yml
index 352fa7ac..9680d04b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,6 +27,8 @@ addons:
 
 env:
     - MAKE_BUILD_TYPE=RELEASE=0 SIXTY_FOUR_BIT=false
+    - MAKE_BUILD_TYPE=RELEASE=1 SIXTY_FOUR_BIT=false
+    - MAKE_BUILD_TYPE=RELEASE=0 SIXTY_FOUR_BIT=true
     - MAKE_BUILD_TYPE=RELEASE=1 SIXTY_FOUR_BIT=true
 
 before_install: