diff --git a/test/machi_chain_manager1_converge_demo.erl b/test/machi_chain_manager1_converge_demo.erl
index 4ef1cfa..c1299cd 100644
--- a/test/machi_chain_manager1_converge_demo.erl
+++ b/test/machi_chain_manager1_converge_demo.erl
@@ -151,7 +151,8 @@ convergence_demo_testfun(NumFLUs, MgrOpts0) ->
     %% Faster test startup, commented: io:format(user, short_doc(), []),
     %% Faster test startup, commented: timer:sleep(3000),
 
-    application:start(sasl),
+    Apps = [sasl, ranch],
+    [application:start(App) || App <- Apps],
 
     MgrOpts = MgrOpts0 ++ ?DEFAULT_MGR_OPTS,
     TcpPort = proplists:get_value(port_base, MgrOpts, 62877),
@@ -394,7 +395,8 @@ timer:sleep(1234),
         exit(SupPid, normal),
         ok = machi_partition_simulator:stop(),
         [ok = ?FLU_PC:quit(PPid) || {_, PPid} <- Namez],
-        machi_util:wait_for_death(SupPid, 100)
+        machi_util:wait_for_death(SupPid, 100),
+        [application:start(App) || App <- lists:reverse(Apps)]
     end.
 
 %% Many of the static partition lists below have been problematic at one