diff --git a/sentry-ruby/spec/support/shared_examples_for_telemetry_event_buffers.rb b/sentry-ruby/spec/support/shared_examples_for_telemetry_event_buffers.rb
index 12fa2d9c4..88eeeba0e 100644
--- a/sentry-ruby/spec/support/shared_examples_for_telemetry_event_buffers.rb
+++ b/sentry-ruby/spec/support/shared_examples_for_telemetry_event_buffers.rb
@@ -67,7 +67,7 @@
 
       threads = 3.times.map do
         Thread.new do
-          (20..30).to_a.sample.times { subject.add_item(event) }
+          (21..30).to_a.sample.times { subject.add_item(event) }
         end
       end