diff --git a/.travis.yml b/.travis.yml
index cefec1b..bf7c857 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ env:
 
 before_install:
  - sudo apt-get update -qq
+ - sudo apt-get install -qq multiarch-support
  - sudo apt-get install -qq libgtk-3-dev libgtk-3-0:i386 # gcc-multilib
  - go tool dist install cmd/8a
  - go tool dist install cmd/8c