diff --git a/ruby/lib/minitest/queue/runner.rb b/ruby/lib/minitest/queue/runner.rb
index f77f00bd..17c49363 100644
--- a/ruby/lib/minitest/queue/runner.rb
+++ b/ruby/lib/minitest/queue/runner.rb
@@ -208,7 +208,7 @@ def bisect_command
           puts
         end
 
-        if run_index == 0
+        if queue.suspects_left == 0
           step(yellow("The failing test was the first test in the test order so there is nothing to bisect."))
           File.write('log/test_order.log', "")
           exit! 1