diff --git a/.travis.yml b/.travis.yml
index 10f15143..55313a19 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,13 @@
 language: cpp
-
 compiler:
-    - clang
-
+- clang
 script:
-    - echo "Success! ;-)"
-
+- echo "Success! ;-)"
 after_success:
-    - sudo apt-get install --yes doxygen graphviz
-    - ./publish-doxygen
-
+- sudo apt-get install --yes doxygen graphviz
+- ./publish-doxygen
 before_install:
-    - openssl aes-256-cbc -K $encrypted_eb6359394db6_key -iv $encrypted_eb6359394db6_iv
-        -in config/travisci_rsa.enc -out config/travisci_rsa -d
+- openssl aes-256-cbc -K $encrypted_eb6359394db6_key -iv $encrypted_eb6359394db6_iv
+  -in travisci_rsa.enc -out config/travisci_rsa -d
+- openssl aes-256-cbc -K $encrypted_eb6359394db6_key -iv $encrypted_eb6359394db6_iv
+  -in config/travisci_rsa.enc -out config/travisci_rsa -d
diff --git a/config/travisci_rsa.enc b/config/travisci_rsa.enc
index 271e7f77..ebc9cc9a 100644
Binary files a/config/travisci_rsa.enc and b/config/travisci_rsa.enc differ
diff --git a/config/travisci_rsa.pub b/config/travisci_rsa.pub
index af78996d..4f56b6f0 100644
--- a/config/travisci_rsa.pub
+++ b/config/travisci_rsa.pub
@@ -1 +1 @@
-ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDAlbgV5N2uiVIQVx9DVVHj6eDmYdEVEXrI0ySgZ/BC1xEB1hZSFReIi8c8pI0qI79DVltIflN3DBDnQfijtgZuKNTdBEUYBgvPWWKmlrvAyNp3vfvYUVfykCEo89L+yspY5LvIBISfJwBmJvz27fCuRQ+f36rPnVcejtXZ3B4W+mnmmuA0oToR7tss/4ge5iGQ4/4VpcSFoakyUoi9oagXGfQ8sNt5YZ0C4+PJuB2Gv5hGcBrEQPfR4c0B1RjWKZ/RlYAR3Vl/hCygiCJlZzpTSUc7KcRq3YdQQHt+H0hO9zteA8SUIJyyrfwpyIWWYtdsJUmty77cc1kekmMJ186P torsten@robitzki.com
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDOIT9BGmfHAWtMT3qEEAdZBVl56x20zZ1lhOL+LVezhbxEdKVtsJleU/Eetxr9uZ/9Fwtaa1tmezT554jBLPMYpcyC1VmVIl+395lchqPZYQ08u1iiI5TKu5tN6tBEflKr6c+xHUH9m19ef6MLWoUqirYi0cMK4wIWjlMoKYCY23yHRPP4ObaW50puigAMl4Y8REmtBx7EHDWWUw9VWSVuhrg9zb4sC+fj9ffKdFk+EnhJni2Wf1su+T/I+JwGyL2ZVXOtR3/ZmR5QMbFEmwXylxsJIUFbpbGlz1ZkwRquB2+1E9VOJIxdYCANx73bI/JkIuxmaKxLunNXB4QycU87 travis@robitzki.de
diff --git a/publish-doxygen b/publish-doxygen
index 5162bfeb..5a6cf000 100755
--- a/publish-doxygen
+++ b/publish-doxygen
@@ -2,7 +2,7 @@
 REPO_PATH=git@github.com:TorstenRobitzki/bluetoe.git
 HTML_PATH=documentation/html
 COMMIT_USER="Documentation Builder"
-COMMIT_EMAIL="travis@robitzki.com"
+COMMIT_EMAIL="travis@robitzki.de"
 CHANGESET=$(git rev-parse --verify HEAD)
 
 # code github pages
@@ -11,18 +11,15 @@ mkdir -p ${HTML_PATH}
 git clone -b gh-pages "${REPO_PATH}" --single-branch ${HTML_PATH}
 
 # remove old content
-cd ${HTML_PATH}
-git rm -rf .
-cd -
+cd ${HTML_PATH} && git rm -rf .
 
 # generate new documentation
 doxygen 1> /dev/null
 
 # commit new documentation
-cd ${HTML_PATH}
-git add .
-git config user.name "${COMMIT_USER}"
-git config user.email "${COMMIT_EMAIL}"
-git commit -m "Automated documentation build for changeset ${CHANGESET}."
-git push origin gh-pages
-cd -
+cd ${HTML_PATH} \
+    && git add . \
+    && git config user.name "${COMMIT_USER}" \
+    && git config user.email "${COMMIT_EMAIL}" \
+    && git commit -m "Automated documentation build for changeset ${CHANGESET}." \
+    && git push origin gh-pages