diff --git a/moto/s3/responses.py b/moto/s3/responses.py
index d0c82428a953..c4427212cddb 100644
--- a/moto/s3/responses.py
+++ b/moto/s3/responses.py
@@ -124,7 +124,7 @@
         },
     },
     "KEY": {
-        "HEAD": {"DEFAULT": "HeadObject"},
+        "HEAD": {"DEFAULT": "GetObject"},
         "GET": {
             "uploadId": "ListMultipartUploadParts",
             "acl": "GetObjectAcl",