diff --git a/implementations/Crafter.Debug-Session.cpp b/implementations/Crafter.Debug-Session.cpp
index 14d206d..a3d4b35 100644
--- a/implementations/Crafter.Debug-Session.cpp
+++ b/implementations/Crafter.Debug-Session.cpp
@@ -595,13 +595,17 @@ namespace Crafter::Debug {
             const auto decoded = DecodeParams<QuitParams>(params, *exchange);
             if (!decoded) return;
             Agent(decoded->force ? "quit --force" : "quit", Value());
-            quitRequested.store(true);
             if (decoded->force) {
+                quitRequested.store(true);
                 // From the thread the reply leaves on, so the main loop
                 // need not run: --force is for an app whose loop is stuck.
                 return exchange->ReplyThen(MakeReply(Object({ { "quitting", Value(true) }, { "force", Value(true) } })), [] { std::_Exit(0); });
             }
+            // The reply before the flag: a loop that sees the flag may end
+            // the Session at once, and the transport delivers a reply given
+            // before its connections close, not one given after.
             exchange->Reply(MakeReply(Object({ { "quitting", Value(true) } })));
+            quitRequested.store(true);
         }
 
         // ---- the Pump thread ----