diff --git a/cluster/common.sh b/cluster/common.sh
index 030101e489a..470963a90bc 100755
--- a/cluster/common.sh
+++ b/cluster/common.sh
@@ -209,7 +209,7 @@ function gen-kube-bearertoken() {
 # Vars set:
 #   KUBE_UID
 function gen-uid {
-    KUBE_UID=$(python -c 'import uuid; print uuid.uuid1().fields[0]')
+    KUBE_UID=$(python -c 'import uuid; print(uuid.uuid1().fields[0])')
 }