diff --git a/spec/acceptance/ldap_spec.rb b/spec/acceptance/ldap_spec.rb
index 74773dff69858..44067e0c2bd9b 100644
--- a/spec/acceptance/ldap_spec.rb
+++ b/spec/acceptance/ldap_spec.rb
@@ -98,6 +98,11 @@
               required: [
                 /Successfully queried/
               ]
+            },
+            linux: {
+              known_failures: [
+                /Auxiliary aborted due to failure: not-found/
+              ]
             }
           }
         },