diff --git a/.travis.yml b/.travis.yml
index 1a3dcb5..721940b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,5 +12,6 @@ install:
  - sudo apt-get install libevent-dev
 
 script:
+  - git submodule update --init --recursive
   - ./configure
   - make