diff --git a/src/buildstream/sandbox/_sandboxremote.py b/src/buildstream/sandbox/_sandboxremote.py
index 299eefcca..1e8598d6c 100644
--- a/src/buildstream/sandbox/_sandboxremote.py
+++ b/src/buildstream/sandbox/_sandboxremote.py
@@ -99,7 +99,6 @@ def __run_remote_command(stub, execute_request=None, running_operation=None):
                     grpc.StatusCode.RESOURCE_EXHAUSTED,
                     grpc.StatusCode.INTERNAL,
                     grpc.StatusCode.DEADLINE_EXCEEDED,
-                    grpc.StatusCode.UNAVAILABLE,
                 ):
                     raise SandboxError(
                         "Failed contacting remote execution server at {}."