diff --git a/mingw-w64-blender/0002-fix-mingw-w64-definitions.patch b/mingw-w64-blender/0002-fix-mingw-w64-definitions.patch
index 7cecfd98ba..786f46feaa 100644
--- a/mingw-w64-blender/0002-fix-mingw-w64-definitions.patch
+++ b/mingw-w64-blender/0002-fix-mingw-w64-definitions.patch
@@ -590,3 +590,66 @@ diff -Naur a/source/blender/blenlib/intern/storage.c b/source/blender/blenlib/in
  namespace qflow {
  
  inline int dedge_prev(int e, int deg) { return (e % deg == 0u) ? e + (deg - 1) : e - 1; }
+--- blender-2.81a/source/blender/blenlib/intern/winstuff.c.orig	2019-12-08 12:27:42.467124300 +0300
++++ blender-2.81a/source/blender/blenlib/intern/winstuff.c	2019-12-08 12:30:11.497648300 +0300
+@@ -1,4 +1,5 @@
+ /*
++/*
+  * This program is free software; you can redistribute it and/or
+  * modify it under the terms of the GNU General Public License
+  * as published by the Free Software Foundation; either version 2
+@@ -172,7 +173,11 @@
+ 
+   BLI_getInstallationDir(InstallDir);
+   GetSystemDirectory(SysDir, FILE_MAXDIR);
++#ifdef __MINGW32__
++  ThumbHandlerDLL = "libBlendThumb.dll";
++#else
+   ThumbHandlerDLL = "BlendThumb.dll";
++#endif
+   snprintf(
+       RegCmd, MAX_PATH * 2, "%s\\regsvr32 /s \"%s\\%s\"", SysDir, InstallDir, ThumbHandlerDLL);
+   system(RegCmd);
+--- blender-2.81a/source/blender/blendthumb/CMakeLists.txt.orig	2019-12-08 12:20:39.042905800 +0300
++++ blender-2.81a/source/blender/blendthumb/CMakeLists.txt	2019-12-08 12:20:45.308264200 +0300
+@@ -29,7 +29,7 @@
+ )
+ 
+ add_library(BlendThumb SHARED ${SRC})
+-target_link_libraries(BlendThumb ${ZLIB_LIBRARIES})
++target_link_libraries(BlendThumb ${ZLIB_LIBRARIES} shlwapi)
+ 
+ install(
+   FILES $<TARGET_FILE:BlendThumb>
+--- blender-2.81a/source/blender/blendthumb/src/BlenderThumb.cpp.orig	2019-12-08 12:08:05.045779600 +0300
++++ blender-2.81a/source/blender/blendthumb/src/BlenderThumb.cpp	2019-12-08 12:32:20.265013400 +0300
+@@ -17,8 +17,11 @@
+ #include <shlwapi.h>
+ #include <thumbcache.h>  // For IThumbnailProvider.
+ #include <new>
++#include <algorithm>
+ 
++#ifdef _MSC_VER
+ #pragma comment(lib, "shlwapi.lib")
++#endif
+ 
+ // this thumbnail provider implements IInitializeWithStream to enable being hosted
+ // in an isolated process for robustness
+@@ -137,7 +140,7 @@
+     //_pStream->Read(&dest_size,4,&BytesRead); // dest
+     dest_size = 1024 * 70;  // thumbnail is currently always inside the first 65KB...if it moves or
+                             // enlargens this line will have to change or go!
+-    source_size = (uLong)max(SeekPos.QuadPart, dest_size);  // for safety, assume no compression
++    source_size = (uLong)std::max((uLong)SeekPos.QuadPart, dest_size);  // for safety, assume no compression
+ 
+     // Input
+     Bytef *src = new Bytef[source_size];
+@@ -264,7 +267,7 @@
+ 
+     // Scale down if required
+     if ((unsigned)width > cx || (unsigned)height > cx) {
+-      float scale = 1.0f / (max(width, height) / (float)cx);
++      float scale = 1.0f / (std::max(width, height) / (float)cx);
+       LONG NewWidth = (LONG)(width * scale);
+       LONG NewHeight = (LONG)(height * scale);
+ 
diff --git a/mingw-w64-blender/PKGBUILD b/mingw-w64-blender/PKGBUILD
index cda8afb482..866eac8516 100644
--- a/mingw-w64-blender/PKGBUILD
+++ b/mingw-w64-blender/PKGBUILD
@@ -80,7 +80,7 @@ source=(https://download.blender.org/source/${_realname}-${_basever}${_minorchar
         0019-fix-casts.patch)
 sha256sums=('52ac4145cef3d49ca6a36cbc6d009598ca2833143fd6c4f1caba4f5c525680fe'
             '48c45238950f5df8801bec5b66d02dcf3c0e3728c8f2c452f4407b23a68fb3b3'
-            '887cf4bf070af714087ed5306775efe4142bcb5d482714abd8610bbdbe95e198'
+            '26f0d63970e0fbd9a0d2ce440af0e58e9ce6a5ce75870a4fe8bf5f85de81ddf4'
             'bcaa5b105463aa2dd9ab0f69ed4d422c23f9ae1a00a93e012c62113489f3db56'
             '87036a005a817bce9edd5fb7f18ba3b7a0b8d309d6f1f9bb0f813c931d889c0d'
             'cb603fd30a2e1421f653a187c3beb8e767d043a0d948213e884095cf0a27a411'