diff --git a/build-and-benchmark-py-project.sh b/build-and-benchmark-py-project.sh
index 707cd6b1882dd26c83bcb52dd5ee7a457061f183..eb6aaed7be3e9aac0395539135a66075d205bbdc 100644
--- a/build-and-benchmark-py-project.sh
+++ b/build-and-benchmark-py-project.sh
@@ -5,13 +5,16 @@ pip install asv
 
 conda list
 
-PY_EXE=python
-
 if [[ -z "$PROJECT" ]]; then
     echo "PROJECT env var not set"
     exit 1
 fi
 
+if [[ -z "$PYOPENCL_TEST" ]]; then
+    echo "PYOPENCL_TEST env var not set"
+    exit 1
+fi
+
 mkdir -p ~/.$PROJECT/asv
 
 if [[ ! -z "$CI" ]]; then
@@ -28,8 +31,6 @@ asv machine --yes
 master_commit=`git rev-parse master`
 test_commit=`git rev-parse HEAD`
 
-export PYOPENCL_CTX=port
-
 asv run $master_commit...$master_commit~ --skip-existing --verbose
 asv run $test_commit...$test_commit~ --skip-existing --verbose