diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 1fe172f8b2..b5f4756f81 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -874,7 +874,7 @@ def check_sanity_everybuild(status, d):
     mirror_vars = ['MIRRORS', 'PREMIRRORS', 'SSTATE_MIRRORS']
     protocols = ['http', 'ftp', 'file', 'https', \
                  'git', 'gitsm', 'hg', 'osc', 'p4', 'svn', \
-                 'bzr', 'cvs', 'npm', 'sftp', 'ssh']
+                 'bzr', 'cvs', 'npm', 'sftp', 'ssh', 's3' ]
     for mirror_var in mirror_vars:
         mirrors = (d.getVar(mirror_var) or '').replace('\\n', ' ').split()