diff --git a/ci/test_python.sh b/ci/test_python.sh
index d8c1fdbce..d3b3bdfd8 100755
--- a/ci/test_python.sh
+++ b/ci/test_python.sh
@@ -11,7 +11,9 @@ rapids-dependency-file-generator \
   --matrix "cuda=${RAPIDS_CUDA_VERSION%.*};arch=$(arch);py=${RAPIDS_PY_VERSION}" | tee env.yaml
 
 rapids-mamba-retry env create --force -f env.yaml -n test
+set +u
 conda activate test
+set -u
 
 rapids-print-env