diff --git a/hack/test-update-storage-objects.sh b/hack/test-update-storage-objects.sh
index 24d25d8622b..107336b6080 100755
--- a/hack/test-update-storage-objects.sh
+++ b/hack/test-update-storage-objects.sh
@@ -62,10 +62,11 @@ function startApiServer() {
 
 function killApiServer() {
   kube::log::status "Killing api server"
-  [[ -n ${APISERVER_PID-} ]] && kill ${APISERVER_PID} 1>&2 2>/dev/null
-
-  wait ${APISERVER_PID} || true
-  kube::log::status "api server exited"
+  if [[ -n ${APISERVER_PID-} ]]; then
+    kill ${APISERVER_PID} 1>&2 2>/dev/null
+    wait ${APISERVER_PID} || true
+    kube::log::status "api server exited"
+  fi
   unset APISERVER_PID
 }