diff --git a/.travis.yml b/.travis.yml
index d50606f..3fa6587 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -254,10 +254,11 @@ install:
   - cd ..
   - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule init libs/headers
   - git submodule init tools/build
   - git submodule init tools/boostdep
   - git submodule init tools/boost_install
+  - git submodule init libs/headers
+  - git submodule init libs/config
   - git submodule update --jobs 4
   - cp -r $TRAVIS_BUILD_DIR/* libs/detail
   - python tools/boostdep/depinst/depinst.py detail