diff --git a/Makefile b/Makefile
index 6692248..4596864 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,6 @@ export RADICALE_BACKEND := filesystem
 export REQUIREMENTS := release
 export TESTSERVER_BASE := ./tests/storage/servers/
 export TRAVIS := false
-export CI := false
 export DETERMINISTIC_TESTS := false
 
 install-servers:
diff --git a/tests/conftest.py b/tests/conftest.py
index e9de77a..2268df9 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -41,5 +41,5 @@ settings.register_profile("deterministic", settings(
 
 if os.getenv('DETERMINISTIC_TESTS').lower == 'true':
     settings.load_profile("deterministic")
-elif os.getenv('CI').lower == 'true':
+elif os.getenv('TRAVIS').lower == 'true':
     settings.load_profile("ci")