diff --git a/scripts/setup.sh b/scripts/setup.sh
index 09d231a..8a09875 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -2,5 +2,5 @@
 
 # set up for tests
 python3 -m venv ./tests/venv
-source ./tests/venv/bin/activate
+. ./tests/venv/bin/activate
 pip install --requirement ./tests/requirements.txt