diff --git a/.travis.yml b/.travis.yml
index 6a52a861..8babf544 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ rust:
     
 cache: cargo
 
+before_script: (cargo install rustfmt || true)
+
 sudo: false
 
 notifications:
diff --git a/scripts/travis-build.sh b/scripts/travis-build.sh
index 1135ed96..cfa528ad 100644
--- a/scripts/travis-build.sh
+++ b/scripts/travis-build.sh
@@ -5,6 +5,10 @@ set -e
 # build rust project
 make
 
+# check formatting (rustfmt)
+PATH=~/.cargo/bin:$PATH
+cargo fmt -- --write-mode=diff
+
 # clone hugo branch, which contains the blog template
 git clone --branch=hugo https://github.com/phil-opp/blog_os.git hugo
 cd hugo