diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1db852090c..c2cb5b06af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,10 +83,6 @@ set(OENGINE_OGRE
   ${LIBDIR}/openengine/ogre/imagerotate.cpp
 )
 
-if (APPLE)
-    set(OENGINE_OGRE ${OENGINE_OGRE} ${LIBDIR}/openengine/ogre/osx_utils.mm)
-endif ()
-
 set(OENGINE_GUI
   ${LIBDIR}/openengine/gui/manager.cpp
 )
diff --git a/extern/sdl4ogre/CMakeLists.txt b/extern/sdl4ogre/CMakeLists.txt
index 5b31974e5f..fb0832f712 100644
--- a/extern/sdl4ogre/CMakeLists.txt
+++ b/extern/sdl4ogre/CMakeLists.txt
@@ -8,6 +8,10 @@ set(SDL4OGRE_SOURCE_FILES
 	sdlwindowhelper.cpp
 )
 
+if (APPLE)
+    set(SDL4OGRE_SOURCE_FILES ${SDL4OGRE_SOURCE_FILES} osx_utils.mm)
+endif ()
+
 set(SDL4OGRE_HEADER_FILES
 	OISCompat.h
 	cursormanager.hpp
diff --git a/extern/sdl4ogre/osx_utils.h b/extern/sdl4ogre/osx_utils.h
new file mode 100644
index 0000000000..48149827ab
--- /dev/null
+++ b/extern/sdl4ogre/osx_utils.h
@@ -0,0 +1,12 @@
+#ifndef SDL4OGRE_OSX_UTILS_H
+#define SDL4OGRE_OSX_UTILS_H
+
+#include <SDL_syswm.h>
+
+namespace SFO {
+
+extern unsigned long WindowContentViewHandle(SDL_SysWMinfo &info);
+
+}
+
+#endif //  SDL4OGRE_OSX_UTILS_H
diff --git a/libs/openengine/ogre/osx_utils.mm b/extern/sdl4ogre/osx_utils.mm
similarity index 84%
rename from libs/openengine/ogre/osx_utils.mm
rename to extern/sdl4ogre/osx_utils.mm
index 7e56601461..0ba17b30c1 100644
--- a/libs/openengine/ogre/osx_utils.mm
+++ b/extern/sdl4ogre/osx_utils.mm
@@ -2,8 +2,7 @@
 
 #import <AppKit/NSWindow.h>
 
-namespace OEngine {
-namespace Render {
+namespace SFO {
 
 unsigned long WindowContentViewHandle(SDL_SysWMinfo &info)
 {
@@ -13,4 +12,3 @@ unsigned long WindowContentViewHandle(SDL_SysWMinfo &info)
 }
 
 }
-}
diff --git a/extern/sdl4ogre/sdlwindowhelper.cpp b/extern/sdl4ogre/sdlwindowhelper.cpp
index 14371c947d..79a214753a 100644
--- a/extern/sdl4ogre/sdlwindowhelper.cpp
+++ b/extern/sdl4ogre/sdlwindowhelper.cpp
@@ -6,6 +6,10 @@
 #include <SDL_syswm.h>
 #include <SDL_endian.h>
 
+#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
+#include "osx_utils.h"
+#endif
+
 namespace SFO
 {
 
diff --git a/libs/openengine/ogre/osx_utils.h b/libs/openengine/ogre/osx_utils.h
deleted file mode 100644
index f651db6046..0000000000
--- a/libs/openengine/ogre/osx_utils.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef OENGINE_OGRE_OSX_UTILS_H
-#define OENGINE_OGRE_OSX_UTILS_H
-
-#include <SDL_syswm.h>
-
-namespace OEngine {
-namespace Render {
-
-extern unsigned long WindowContentViewHandle(SDL_SysWMinfo &info);
-
-}
-}
-
-#endif
diff --git a/libs/openengine/ogre/renderer.cpp b/libs/openengine/ogre/renderer.cpp
index cda35b16c4..b87f0aa718 100644
--- a/libs/openengine/ogre/renderer.cpp
+++ b/libs/openengine/ogre/renderer.cpp
@@ -24,10 +24,6 @@
 #include <cstdlib>
 #include <stdexcept>
 
-#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
-#include "osx_utils.h"
-#endif
-
 using namespace Ogre;
 using namespace OEngine::Render;