diff --git a/hack/build-ui.sh b/hack/build-ui.sh
index 6e2e0e5d539..28d1738f2c9 100755
--- a/hack/build-ui.sh
+++ b/hack/build-ui.sh
@@ -30,7 +30,8 @@ if ! which go-bindata > /dev/null 2>&1 ; then
   exit 1
 fi
 
-readonly TMP_DATAFILE="/tmp/datafile.go"
+kube::util::ensure-temp-dir
+readonly TMP_DATAFILE="${KUBE_TEMP}/datafile.go"
 readonly SWAGGER_SRC="third_party/swagger-ui/..."
 readonly SWAGGER_PKG="swagger"