diff --git a/repos/os/src/test/blk/bench/main.cc b/repos/os/src/test/blk/bench/main.cc
index 95b8aa23e9..29f51bdf13 100644
--- a/repos/os/src/test/blk/bench/main.cc
+++ b/repos/os/src/test/blk/bench/main.cc
@@ -46,6 +46,9 @@ class Test::Throughput
 		{
 			static size_t count            = REQUEST_SIZE / _blk_size;
 
+			if (_read_done && (_write_done || !TEST_WRITE))
+				return;
+
 			try {
 				while (_session.tx()->ready_to_submit()) {
 					Block::Packet_descriptor p(