diff --git a/patches/mfplat-MFStartup/0001-mfplat-Return-S_OK-from-MFStartup-stub.patch b/patches/mfplat-MFStartup/0001-mfplat-Return-S_OK-from-MFStartup-stub.patch
new file mode 100644
index 00000000..f17ce9eb
--- /dev/null
+++ b/patches/mfplat-MFStartup/0001-mfplat-Return-S_OK-from-MFStartup-stub.patch
@@ -0,0 +1,39 @@
+From 4447aeae75be2479c1008d05367eb3f7422d0c09 Mon Sep 17 00:00:00 2001
+From: Sebastian Lackner <sebastian@fds-team.de>
+Date: Thu, 31 Aug 2017 01:32:46 +0200
+Subject: mfplat: Return S_OK from MFStartup stub.
+
+---
+ dlls/mfplat/main.c         | 2 +-
+ dlls/mfplat/tests/mfplat.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/dlls/mfplat/main.c b/dlls/mfplat/main.c
+index e6616c81024..6864079d9d8 100644
+--- a/dlls/mfplat/main.c
++++ b/dlls/mfplat/main.c
+@@ -405,7 +405,7 @@ HRESULT WINAPI MFTUnregister(CLSID clsid)
+ HRESULT WINAPI MFStartup(ULONG version, DWORD flags)
+ {
+     FIXME("(%u, %u): stub\n", version, flags);
+-    return MF_E_BAD_STARTUP_VERSION;
++    return S_OK;
+ }
+ 
+ /***********************************************************************
+diff --git a/dlls/mfplat/tests/mfplat.c b/dlls/mfplat/tests/mfplat.c
+index 13853c5fb5b..fcf92f30d07 100644
+--- a/dlls/mfplat/tests/mfplat.c
++++ b/dlls/mfplat/tests/mfplat.c
+@@ -200,7 +200,7 @@ static void test_MFCreateMediaType(void)
+     IMFMediaType *mediatype;
+ 
+     hr = MFStartup(MF_VERSION, MFSTARTUP_FULL);
+-    todo_wine ok(hr == S_OK, "got 0x%08x\n", hr);
++    ok(hr == S_OK, "got 0x%08x\n", hr);
+ 
+ if(0)
+ {
+-- 
+2.14.1
+
diff --git a/patches/mfplat-MFStartup/definition b/patches/mfplat-MFStartup/definition
new file mode 100644
index 00000000..8ccd0840
--- /dev/null
+++ b/patches/mfplat-MFStartup/definition
@@ -0,0 +1 @@
+Fixes: [43607] Return S_OK from MFStartup stub
diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index a374c30a..57ddfa4e 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -216,6 +216,7 @@ patch_enable_all ()
 	enable_libs_Unicode_Collation="$1"
 	enable_loader_OSX_Preloader="$1"
 	enable_makedep_PARENTSPEC="$1"
+	enable_mfplat_MFStartup="$1"
 	enable_mmsystem_dll16_MIDIHDR_Refcount="$1"
 	enable_mountmgr_DosDevices="$1"
 	enable_mpr_WNetGetUniversalNameW="$1"
@@ -922,6 +923,9 @@ patch_enable ()
 		makedep-PARENTSPEC)
 			enable_makedep_PARENTSPEC="$2"
 			;;
+		mfplat-MFStartup)
+			enable_mfplat_MFStartup="$2"
+			;;
 		mmsystem.dll16-MIDIHDR_Refcount)
 			enable_mmsystem_dll16_MIDIHDR_Refcount="$2"
 			;;
@@ -5622,6 +5626,21 @@ if test "$enable_makedep_PARENTSPEC" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset mfplat-MFStartup
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#43607] Return S_OK from MFStartup stub
+# |
+# | Modified files:
+# |   *	dlls/mfplat/main.c, dlls/mfplat/tests/mfplat.c
+# |
+if test "$enable_mfplat_MFStartup" -eq 1; then
+	patch_apply mfplat-MFStartup/0001-mfplat-Return-S_OK-from-MFStartup-stub.patch
+	(
+		printf '%s\n' '+    { "Sebastian Lackner", "mfplat: Return S_OK from MFStartup stub.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset mmsystem.dll16-MIDIHDR_Refcount
 # |
 # | This patchset fixes the following Wine bugs: