diff --git a/projects/hipblaslt/tensilelite/tox.ini b/projects/hipblaslt/tensilelite/tox.ini
index 6c0c9025047..9ecec3bd73c 100644
--- a/projects/hipblaslt/tensilelite/tox.ini
+++ b/projects/hipblaslt/tensilelite/tox.ini
@@ -23,6 +23,7 @@ setenv =
     PYTHONPATH = {envdir}/build_tmp/tensilelite/rocisa/lib
     TENSILELITE_CLIENT_ARGS = {env:TENSILELITE_CLIENT_ARGS:}
 commands =
+    pip install --no-build-isolation {toxinidir}/rocisa/
     pip install --upgrade pip
     pip install pytest-cov
     invoke build-client --build-dir {envdir}/build_tmp {env:TENSILELITE_CLIENT_ARGS}