diff --git a/.travis.yml b/.travis.yml
index c2a092d..c2b141f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,9 @@ after_success:
 virtualenv:
   system_site_packages: true
 install:
+  - echo "127.0.0.1 localhost" | sudo tee /etc/hosts
+  - echo "127.0.0.1 ca.example.lan ca" | sudo tee -a /etc/hosts
+  - echo "127.0.0.1 vpn.koodur.lan | sudo tee -a /etc/hosts
   - pip install -r requirements.txt
   - pip install codecov pytest-cov
   - pip install --editable .
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 7c9732c..47aa7b3 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -35,10 +35,6 @@ def generate_csr(cn=None):
 def test_cli_setup_authority():
     import shutil
     import os
-    with open("/etc/hosts", "w") as fh:
-        fh.write("127.0.0.1 localhost\n")
-        fh.write("127.0.0.1 ca.example.lan ca\n")
-        fh.write("127.0.0.1 vpn.example.lan\n")
     if os.path.exists("/run/certidude/signer.pid"):
         with open("/run/certidude/signer.pid") as fh:
             try: