diff --git a/apps/openmw/engine.cpp b/apps/openmw/engine.cpp
index fbc54bfd9..3433142a1 100644
--- a/apps/openmw/engine.cpp
+++ b/apps/openmw/engine.cpp
@@ -345,9 +345,11 @@ OMW::Engine::~Engine()
     /*
         Start of tes3mp addition
 
-        Free up memory allocated by multiplayer's GUIController
+        Free up memory allocated by multiplayer's GUIController, but make sure
+        mwmp::Main has actually been initialized
     */
-    mwmp::Main::get().getGUIController()->cleanUp();
+    if (mwmp::Main::isInitialized())
+        mwmp::Main::get().getGUIController()->cleanUp();
     /*
         End of tes3mp addition
     */
diff --git a/apps/openmw/mwmp/Main.cpp b/apps/openmw/mwmp/Main.cpp
index 6ab9f905c..89567b138 100644
--- a/apps/openmw/mwmp/Main.cpp
+++ b/apps/openmw/mwmp/Main.cpp
@@ -163,6 +163,11 @@ void Main::postInit()
     MWBase::Environment::get().getMechanicsManager()->toggleAI();
 }
 
+bool Main::isInitialized()
+{
+    return pMain != nullptr;
+}
+
 void Main::destroy()
 {
     assert(pMain);
diff --git a/apps/openmw/mwmp/Main.hpp b/apps/openmw/mwmp/Main.hpp
index 9d91c1af1..5e1da7163 100644
--- a/apps/openmw/mwmp/Main.hpp
+++ b/apps/openmw/mwmp/Main.hpp
@@ -23,6 +23,7 @@ namespace mwmp
         static void configure(const boost::program_options::variables_map &variables);
         static bool init(std::vector<std::string> &content, Files::Collections &collections);
         static void postInit();
+        static bool isInitialized();
         static void destroy();
         static const Main &get();
         static void frame(float dt);