diff --git a/.travis.yml b/.travis.yml
index c5431ea..0f94ede 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,7 @@ install:
   - cd ..
   - git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
+  - git submodule init libs/align
   - git submodule init libs/assert
   - git submodule init libs/bind
   - git submodule init libs/chrono