diff --git a/scripts/test.sh b/scripts/test.sh
index 55d78f8..1de1951 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -4,7 +4,7 @@ set -e
 
 export PATH=env/bin:${PATH}
 
-nose2 tests
+nose2 tests -C --coverage ipc_unix
 
 black tests ipc_unix setup.py --check
 flake8 ipc_unix tests setup.py --ignore=E128,E501