diff --git a/hack/e2e-test/install-kurator.sh b/hack/e2e-test/install-kurator.sh
index fbc8ebcb..c5711cb2 100755
--- a/hack/e2e-test/install-kurator.sh
+++ b/hack/e2e-test/install-kurator.sh
@@ -10,10 +10,20 @@ KUBECONFIG_PATH=${KUBECONFIG_PATH:-"${HOME}/.kube"}
 MAIN_KUBECONFIG=${MAIN_KUBECONFIG:-"${KUBECONFIG_PATH}/kurator-host.config"}
 export KUBECONFIG=${MAIN_KUBECONFIG}
 COMMIT_ID=$(git rev-parse --short HEAD)
-VERSION=$(echo "$COMMIT_ID" | grep -o '^[0-9]')
+VERSION=$(echo "$COMMIT_ID" | sed 's/[^0-9]//g')
 
 sleep 5s
 
+while true; do
+  if command -v helm >/dev/null 2>&1; then
+    echo "Helm is installed"
+    break
+  else
+    echo "Helm is not install, waiting..."
+  fi
+  sleep 5s
+done
+
 helm repo add jetstack https://charts.jetstack.io
 helm repo update
 kubectl create namespace cert-manager