diff --git a/apps/openmw/mwgui/window_manager.cpp b/apps/openmw/mwgui/window_manager.cpp
index 726cd5bd8..ed4085ea8 100644
--- a/apps/openmw/mwgui/window_manager.cpp
+++ b/apps/openmw/mwgui/window_manager.cpp
@@ -4,6 +4,7 @@
 #include "console.hpp"
 
 #include <assert.h>
+#include <iostream>
 
 using namespace MWGui;
 
@@ -95,3 +96,11 @@ void WindowManager::setValue (const std::string& id, const MWMechanics::DynamicS
     stats->setValue (id, value);
     hud->setValue (id, value);
 }
+
+void WindowManager::messageBox (const std::string& message, const std::vector<std::string>& buttons)
+{
+    std::cout << "message box: " << message << std::endl;
+
+    if (!buttons.empty())
+        std::cerr << "error: message box buttons not supported" << std::endl;
+}
diff --git a/apps/openmw/mwgui/window_manager.hpp b/apps/openmw/mwgui/window_manager.hpp
index a2e664d26..ea2d87bc9 100644
--- a/apps/openmw/mwgui/window_manager.hpp
+++ b/apps/openmw/mwgui/window_manager.hpp
@@ -11,6 +11,7 @@
  */
 
 #include <string>
+#include <vector>
 
 #include "../mwmechanics/stat.hpp"
 
@@ -144,6 +145,8 @@ namespace MWGui
 
     void setValue (const std::string& id, const MWMechanics::DynamicStat<int>& value);
     ///< Set value for the given ID.
+
+    void messageBox (const std::string& message, const std::vector<std::string>& buttons);
   };
 }
 #endif
diff --git a/apps/openmw/mwscript/interpretercontext.cpp b/apps/openmw/mwscript/interpretercontext.cpp
index 404aa69a6..22a5aaa70 100644
--- a/apps/openmw/mwscript/interpretercontext.cpp
+++ b/apps/openmw/mwscript/interpretercontext.cpp
@@ -105,10 +105,7 @@ namespace MWScript
     void InterpreterContext::messageBox (const std::string& message,
         const std::vector<std::string>& buttons)
     {
-        std::cout << "message box: " << message << std::endl;
-
-        if (!buttons.empty())
-            std::cerr << "error: message box buttons not supported" << std::endl;
+        mEnvironment.mWindowManager->messageBox (message, buttons);
     }
 
     bool InterpreterContext::menuMode()