diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index 25d0b0b8..e7b3a243 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -370,6 +370,7 @@ patch_enable_all ()
 	enable_wined3d_QUERY_Stubs="$1"
 	enable_wined3d_Silence_FIXMEs="$1"
 	enable_wined3d_UAV_Counters="$1"
+	enable_wined3d_WINED3DFMT_B8G8R8X8_UNORM="$1"
 	enable_wined3d_WINED3D_RS_COLORWRITEENABLE="$1"
 	enable_wined3d_texture_blt_device="$1"
 	enable_wined3d_wined3d_guess_gl_vendor="$1"
@@ -1284,6 +1285,9 @@ patch_enable ()
 		wined3d-UAV_Counters)
 			enable_wined3d_UAV_Counters="$2"
 			;;
+		wined3d-WINED3DFMT_B8G8R8X8_UNORM)
+			enable_wined3d_WINED3DFMT_B8G8R8X8_UNORM="$2"
+			;;
 		wined3d-WINED3D_RS_COLORWRITEENABLE)
 			enable_wined3d_WINED3D_RS_COLORWRITEENABLE="$2"
 			;;
@@ -7618,6 +7622,21 @@ if test "$enable_wined3d_Indexed_Vertex_Blending" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset wined3d-WINED3DFMT_B8G8R8X8_UNORM
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#44888] Implement WINED3DFMT_B8G8R8X8_UNORM to WINED3DFMT_L8_UNORM conversion
+# |
+# | Modified files:
+# |   *	dlls/wined3d/surface.c
+# |
+if test "$enable_wined3d_WINED3DFMT_B8G8R8X8_UNORM" -eq 1; then
+	patch_apply wined3d-WINED3DFMT_B8G8R8X8_UNORM/0001-wined3d-Implement-WINED3DFMT_B8G8R8X8_UNORM-to-WINED.patch
+	(
+		printf '%s\n' '+    { "Stanislav Zhukov", "wined3d: Implement WINED3DFMT_B8G8R8X8_UNORM to WINED3DFMT_L8_UNORM conversion.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset wined3d-texture-blt-device
 # |
 # | This patchset fixes the following Wine bugs:
diff --git a/patches/wined3d-WINED3DFMT_B8G8R8X8_UNORM/0001-wined3d-Implement-WINED3DFMT_B8G8R8X8_UNORM-to-WINED.patch b/patches/wined3d-WINED3DFMT_B8G8R8X8_UNORM/0001-wined3d-Implement-WINED3DFMT_B8G8R8X8_UNORM-to-WINED.patch
new file mode 100644
index 00000000..0a0e81a1
--- /dev/null
+++ b/patches/wined3d-WINED3DFMT_B8G8R8X8_UNORM/0001-wined3d-Implement-WINED3DFMT_B8G8R8X8_UNORM-to-WINED.patch
@@ -0,0 +1,52 @@
+From e2d79a523dba80544b4358a60b5f248f74eb4c00 Mon Sep 17 00:00:00 2001
+From: Stanislav Zhukov <koncord@tes3mp.com>
+Date: Wed, 11 Jul 2018 09:33:19 +1000
+Subject: [PATCH] wined3d: Implement WINED3DFMT_B8G8R8X8_UNORM to
+ WINED3DFMT_L8_UNORM conversion.
+
+Signed-off-by: Stanislav Zhukov <koncord@tes3mp.com>
+---
+ dlls/wined3d/surface.c | 20 ++++++++++++++++++++
+ 1 file changed, 20 insertions(+)
+
+diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
+index f9e3af37ff4..6ad7bb94573 100644
+--- a/dlls/wined3d/surface.c
++++ b/dlls/wined3d/surface.c
+@@ -919,6 +919,25 @@ static void convert_x8r8g8b8_dxt5(const BYTE *src, BYTE *dst,
+     wined3d_dxt5_encode(src, dst, pitch_in, pitch_out, WINED3DFMT_B8G8R8X8_UNORM, w, h);
+ }
+ 
++static void convert_x8r8g8b8_l8(const BYTE *src, BYTE *dst,
++        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
++{
++    unsigned int x, y;
++
++    TRACE("Converting %ux%u pixels, pitches %u %u.\n", w, h, pitch_in, pitch_out);
++
++    for (y = 0; y < h; ++y)
++    {
++        const DWORD *src_line = (const DWORD *)(src + y * pitch_in);
++        BYTE *dst_line = (BYTE *)(dst + y * pitch_out);
++
++        for (x = 0; x < w; ++x)
++        {
++            dst_line[x] = src_line[x] & 0x000000ff;
++        }
++    }
++}
++
+ struct d3dfmt_converter_desc
+ {
+     enum wined3d_format_id from, to;
+@@ -933,6 +952,7 @@ static const struct d3dfmt_converter_desc converters[] =
+     {WINED3DFMT_B8G8R8X8_UNORM, WINED3DFMT_B8G8R8A8_UNORM,  convert_a8r8g8b8_x8r8g8b8},
+     {WINED3DFMT_YUY2,           WINED3DFMT_B8G8R8X8_UNORM,  convert_yuy2_x8r8g8b8},
+     {WINED3DFMT_YUY2,           WINED3DFMT_B5G6R5_UNORM,    convert_yuy2_r5g6b5},
++    {WINED3DFMT_B8G8R8X8_UNORM, WINED3DFMT_L8_UNORM,        convert_x8r8g8b8_l8},
+ };
+ 
+ static const struct d3dfmt_converter_desc dxtn_converters[] =
+-- 
+2.18.0
+
diff --git a/patches/wined3d-WINED3DFMT_B8G8R8X8_UNORM/definition b/patches/wined3d-WINED3DFMT_B8G8R8X8_UNORM/definition
new file mode 100644
index 00000000..f089e475
--- /dev/null
+++ b/patches/wined3d-WINED3DFMT_B8G8R8X8_UNORM/definition
@@ -0,0 +1 @@
+Fixes: [44888] Implement WINED3DFMT_B8G8R8X8_UNORM to WINED3DFMT_L8_UNORM conversion