diff --git a/.rspec_parallel b/.rspec_parallel
index 867e417e06..cee31855e2 100644
--- a/.rspec_parallel
+++ b/.rspec_parallel
@@ -1,4 +1,4 @@
---format progress
+--format Fuubar
 --format ParallelTests::RSpec::SummaryLogger --out tmp/spec_summary.log
 --format ParallelTests::RSpec::RuntimeLogger --out tmp/parallel_runtime_rspec.log
 --tag ~performance