diff --git a/.ci/test_template.sh b/.ci/test_template.sh
index e79403cf35d508461eb53689b15061f0e4102e7b..c77a742aafbe1ab734b5474fa2e3a61150d94f1c 100644
--- a/.ci/test_template.sh
+++ b/.ci/test_template.sh
@@ -51,7 +51,7 @@ xvfb-run python setup.py test --addopts="$TEST_OPTS tests/test_platform.py"
 # this directory writable by anybody (which,
 # unintuitively, includes nobody)
 chmod -R a+w `pwd`
-su -s /bin/bash -c 'source test.venv/bin/activate && python setup.py test --addopts="$TEST_OPTS tests/test_immv_imcp.py"' nobody
+su -s /bin/bash -c 'source /test.venv/bin/activate && python setup.py test --addopts="$TEST_OPTS tests/test_immv_imcp.py"' nobody
 
 # All other tests can be run as normal
 python setup.py test --addopts="$TEST_OPTS --ignore=tests/test_idle.py --ignore=tests/test_platform.py --ignore=tests/test_immv_imcp.py"