diff --git a/with_cfg/private/args.bzl b/with_cfg/private/args.bzl
index 3ea456d..364fada 100644
--- a/with_cfg/private/args.bzl
+++ b/with_cfg/private/args.bzl
@@ -86,6 +86,8 @@ def _args_aspect_impl(target, ctx):
 
     labels = {}
 
+    # buildifier thinks that "label" references the variable in the for loop below.
+    # buildifier: disable=uninitialized
     def collect_label(label):
         labels[label] = None
         return label