diff --git a/artio-system-tests/src/test/java/uk/co/real_logic/artio/system_tests/PersistentSequenceNumberGatewayToGatewaySystemTest.java b/artio-system-tests/src/test/java/uk/co/real_logic/artio/system_tests/PersistentSequenceNumberGatewayToGatewaySystemTest.java
index 0d83e4bb64..abf0b00fd0 100644
--- a/artio-system-tests/src/test/java/uk/co/real_logic/artio/system_tests/PersistentSequenceNumberGatewayToGatewaySystemTest.java
+++ b/artio-system-tests/src/test/java/uk/co/real_logic/artio/system_tests/PersistentSequenceNumberGatewayToGatewaySystemTest.java
@@ -498,17 +498,14 @@ public void shouldDetectDisconnectDuringReplay()
             testSystem.await("failed to start replaying", acceptingSession::isReplaying);
 
             // Pause for a little bit to test out race with replaying
-            testSystem.awaitBlocking(() ->
+            try
             {
-                try
-                {
-                    Thread.sleep(100);
-                }
-                catch (final InterruptedException e)
-                {
-                    e.printStackTrace();
-                }
-            });
+                Thread.sleep(100);
+            }
+            catch (final InterruptedException e)
+            {
+                e.printStackTrace();
+            }
         }
     }