diff --git a/RenderSystems/Direct3D11/src/OgreD3D11RenderSystem.cpp b/RenderSystems/Direct3D11/src/OgreD3D11RenderSystem.cpp
index 94111900c82..908c50dd00b 100644
--- a/RenderSystems/Direct3D11/src/OgreD3D11RenderSystem.cpp
+++ b/RenderSystems/Direct3D11/src/OgreD3D11RenderSystem.cpp
@@ -909,6 +909,7 @@ namespace Ogre
         SAFE_DELETE( mDriverList );
         mActiveD3DDriver = D3D11Driver();
         mDevice.ReleaseAll();
+        SAFE_DELETE( mVendorExtension );
         LogManager::getSingleton().logMessage( "D3D11: Shutting down cleanly." );
         SAFE_DELETE( mHardwareBufferManager );
         SAFE_DELETE( mGpuProgramManager );