diff --git a/prow/def.bzl b/prow/def.bzl
index 609053e776577..e070839e1a4df 100644
--- a/prow/def.bzl
+++ b/prow/def.bzl
@@ -62,10 +62,10 @@ def prow_image(
             x_defs = {"k8s.io/test-infra/prow/version.Name": component},
         )
 
+        kwargs["architecture"] = "arm64"
         container_image(
             name = name,
             base = ":%s-arm64" % app_name,
-            architecture = "arm64",
             stamp = stamp,
             **kwargs
         )