diff --git a/maxscale-system-test/bug547.cpp b/maxscale-system-test/bug547.cpp
index 3f301df31..c451ae090 100644
--- a/maxscale-system-test/bug547.cpp
+++ b/maxscale-system-test/bug547.cpp
@@ -35,7 +35,7 @@ int main(int argc, char *argv[])
     }
 
     Test->set_timeout(30);
-    sleep(5);
+    Test->maxscales->wait_for_monitor();
 
     Test->set_timeout(30);
     Test->tprintf("Connecting to all MaxScale services, expecting error\n");