diff --git a/src/controllers/hotkeys/ActionNames.hpp b/src/controllers/hotkeys/ActionNames.hpp
index aa335a16c..538fc42e1 100644
--- a/src/controllers/hotkeys/ActionNames.hpp
+++ b/src/controllers/hotkeys/ActionNames.hpp
@@ -158,6 +158,7 @@ inline const std::map<HotkeyCategory, ActionDefinitionMap> actionNames{
          {"addMiscMessage", ActionDefinition{"Debug: Add misc test message"}},
          {"addRewardMessage",
           ActionDefinition{"Debug: Add reward test message"}},
+         {"addSubMessage", ActionDefinition{"Debug: Add sub test message"}},
 #endif
          {"moveTab",
           ActionDefinition{
diff --git a/src/widgets/Window.cpp b/src/widgets/Window.cpp
index 74f024993..f976b0c53 100644
--- a/src/widgets/Window.cpp
+++ b/src/widgets/Window.cpp
@@ -249,6 +249,14 @@ void Window::addDebugStuff(HotkeyController::HotkeyMap &actions)
         getApp()->twitch->addFakeMessage(msg);
         return "";
     });
+
+    actions.emplace("addSubMessage", [=](std::vector<QString>) -> QString {
+        const auto &messages = getSampleSubMessages();
+        static int index = 0;
+        const auto &msg = messages[index++ % messages.size()];
+        getApp()->twitch->addFakeMessage(msg);
+        return "";
+    });
 #endif
 }