diff --git a/indra/cmake/DirectX.cmake b/indra/cmake/DirectX.cmake
index 25163d0322..2974af7e8e 100644
--- a/indra/cmake/DirectX.cmake
+++ b/indra/cmake/DirectX.cmake
@@ -3,6 +3,7 @@
 if (WINDOWS)
   find_path(DIRECTX_INCLUDE_DIR dxdiag.h
             "$ENV{DXSDK_DIR}/Include"
+            "$ENV{PROGRAMFILES}/Windows Kits/8.0/Include/um"
             "$ENV{PROGRAMFILES}/Microsoft DirectX SDK (June 2010)/Include"
             "$ENV{PROGRAMFILES}/Microsoft DirectX SDK (August 2009)/Include"
             "$ENV{PROGRAMFILES}/Microsoft DirectX SDK (March 2009)/Include"
@@ -26,6 +27,7 @@ if (WINDOWS)
 
   find_path(DIRECTX_LIBRARY_DIR dxguid.lib
             "$ENV{DXSDK_DIR}/Lib/x86"
+            "$ENV{PROGRAMFILES}/Windows Kits/8.0/Lib/Win8/um/x86"
             "$ENV{PROGRAMFILES}/Microsoft DirectX SDK (June 2010)/Lib/x86"
             "$ENV{PROGRAMFILES}/Microsoft DirectX SDK (August 2009)/Lib/x86"
             "$ENV{PROGRAMFILES}/Microsoft DirectX SDK (March 2009)/Lib/x86"
diff --git a/indra/media_plugins/winmmshim/forwarding_api.cpp b/indra/media_plugins/winmmshim/forwarding_api.cpp
index 495e08942b..745c97309b 100644
--- a/indra/media_plugins/winmmshim/forwarding_api.cpp
+++ b/indra/media_plugins/winmmshim/forwarding_api.cpp
@@ -1338,7 +1338,7 @@ extern "C" {
 		return joySetThreshold_orig( uJoyID, uThreshold);
 	}
 
-	BOOL WINAPI  mciDriverNotify(HWND hwndCallback, UINT uDeviceID, UINT uStatus)
+	BOOL WINAPI  mciDriverNotify(HANDLE hwndCallback, UINT uDeviceID, UINT uStatus)
 	{
 		ll_winmm_shim_initialize();
 		//OutputDebugString(L"mciDriverNotify\n");
@@ -1610,11 +1610,11 @@ extern "C" {
 		return mciGetYieldProc_orig( mciId, pdwYieldData);
 	}
 
-	UINT WINAPI mciLoadCommandResource(HINSTANCE hInstance, LPCWSTR lpResName, UINT uType)
+	UINT WINAPI mciLoadCommandResource(HANDLE hInstance, LPCWSTR lpResName, UINT wType)
 	{
 		ll_winmm_shim_initialize();
 		//OutputDebugString(L"mciLoadCommandResource");
-		return mciLoadCommandResource_orig(hInstance, lpResName, uType);
+		return mciLoadCommandResource_orig(hInstance, lpResName, wType);
 	}
 	
 
diff --git a/indra/media_plugins/winmmshim/forwarding_api.h b/indra/media_plugins/winmmshim/forwarding_api.h
index 076a08f769..298866c336 100644
--- a/indra/media_plugins/winmmshim/forwarding_api.h
+++ b/indra/media_plugins/winmmshim/forwarding_api.h
@@ -306,7 +306,7 @@ typedef MMRESULT (WINAPI *joySetCapture_type)( HWND hwnd, UINT uJoyID, UINT uPer
 extern joySetCapture_type joySetCapture_orig;
 typedef MMRESULT (WINAPI *joySetThreshold_type)( UINT uJoyID, UINT uThreshold);
 extern joySetThreshold_type joySetThreshold_orig;
-typedef BOOL (WINAPI  *mciDriverNotify_type)(HWND hwndCallback, UINT uDeviceID, UINT uStatus);
+typedef BOOL (WINAPI  *mciDriverNotify_type)(HANDLE hwndCallback, UINT uDeviceID, UINT uStatus);
 extern mciDriverNotify_type mciDriverNotify_orig;
 typedef UINT (WINAPI  *mciDriverYield_type)(UINT uDeviceID);
 extern mciDriverYield_type mciDriverYield_orig;
@@ -384,7 +384,7 @@ typedef HTASK (WINAPI *mciGetCreatorTask_type)( MCIDEVICEID mciId);
 extern mciGetCreatorTask_type mciGetCreatorTask_orig;
 typedef YIELDPROC (WINAPI *mciGetYieldProc_type)( MCIDEVICEID mciId, LPDWORD pdwYieldData);
 extern mciGetYieldProc_type mciGetYieldProc_orig;
-typedef UINT (WINAPI *mciLoadCommandResource_type)(HINSTANCE hInstance, LPCWSTR lpResName, UINT uType);
+typedef UINT (WINAPI *mciLoadCommandResource_type)(HANDLE hInstance, LPCWSTR lpResName, UINT uType);
 extern mciLoadCommandResource_type mciLoadCommandResource_orig;
 typedef BOOL (WINAPI *mciExecute_type)(LPCSTR pszCommand);
 extern mciExecute_type mciExecute_orig;