diff --git a/workers/dockerfilebuild.py b/workers/dockerfilebuild.py
index 2b79aa084..b373a00a9 100644
--- a/workers/dockerfilebuild.py
+++ b/workers/dockerfilebuild.py
@@ -41,8 +41,7 @@ def matches_system_error(status_str):
   """ Returns true if the given status string matches a known system error in the
       Docker builder.
   """
-  KNOWN_MATCHES = ['lxc-start: invalid', 'lxc-start: failed to', 'lxc-start: Permission denied',
-                   'lxc-start: The container failed']
+  KNOWN_MATCHES = ['lxc-start: invalid', 'lxc-start: failed to', 'lxc-start: Permission denied']
 
   for match in KNOWN_MATCHES:
     # 10 because we might have a Unix control code at the start.