diff --git a/.travis.yml b/.travis.yml
index fb47016ef..e419652ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ addons:
       - gcc-4.8
       - g++-4.8
       - libboost1.55-dev
+      - libboost-filesystem1.55-dev
       - libboost-program-options1.55-dev
       - libboost-regex1.55-dev
 
diff --git a/README.md b/README.md
index 3a53310a5..91a11a98c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# vcf-validator [![Build Status](https://travis-ci.org/cyenyxe/vcf-validator.svg)](https://travis-ci.org/cyenyxe/vcf-validator)
+# vcf-validator [![Build Status](https://travis-ci.org/cyenyxe/vcf-validator.svg?branch=develop)](https://travis-ci.org/cyenyxe/vcf-validator)
 
 Validator for the Variant Call Format (VCF) implemented using C++11.