diff --git a/repos/os/src/app/trace_subject_reporter/main.cc b/repos/os/src/app/trace_subject_reporter/main.cc
index 17c407b53..e4a4f6a04 100644
--- a/repos/os/src/app/trace_subject_reporter/main.cc
+++ b/repos/os/src/app/trace_subject_reporter/main.cc
@@ -147,7 +147,7 @@ struct Server::Main
 {
 	Entrypoint &ep;
 
-	Genode::Trace::Connection trace { 256*1024, 32*1024, 0 };
+	Genode::Trace::Connection trace { 512*1024, 32*1024, 0 };
 
 	Genode::Reporter reporter { "trace_subjects", 64*1024 };