diff --git a/README.md b/README.md
index 9a2b5b32..a52a1711 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Wine. All those differences are also documented on the
 Included bug fixes and improvements
 ===================================
 
-**Bugfixes and features included in the next upcoming release [19]:**
+**Bugfixes and features included in the next upcoming release [20]:**
 
 * Add stub for KeWaitForMultipleObjects
 * Add stubs for D3DXCreateAnimationController interface
@@ -47,6 +47,7 @@ Included bug fixes and improvements
 * Do not append duplicate NULL characters when importing keys with regedit ([Wine Bug #37575](https://bugs.winehq.org/show_bug.cgi?id=37575))
 * Fix crash in Space Rangers2 caused by missing DXTn support ([Wine Bug #24983](https://bugs.winehq.org/show_bug.cgi?id=24983))
 * Fix cursor clip regression / broken raw input in multiple games ([Wine Bug #33479](https://bugs.winehq.org/show_bug.cgi?id=33479))
+* Fix handling of window attributes for WS_EX_LAYERED | WS_EX_COMPOSITED ([Wine Bug #37876](https://bugs.winehq.org/show_bug.cgi?id=37876))
 * Fix init of LONGLONG variable with a negative value in TGA decoder
 * Fix wrong colors in Wolfenstein (2009) ([Wine Bug #34692](https://bugs.winehq.org/show_bug.cgi?id=34692))
 * Graphical issues in Inquisitor ([Wine Bug #32490](https://bugs.winehq.org/show_bug.cgi?id=32490))
diff --git a/debian/changelog b/debian/changelog
index 031fa411..082e8874 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -15,6 +15,7 @@ wine-staging (1.7.35) UNRELEASED; urgency=low
   * Added patch to implement semi-stub for IDirectPlayVoiceClient::GetCompressionTypes.
   * Added patch to fix cursor clip regression / broken raw input in multiple games.
   * Added patches to implement ntoskrnl driver testing framework.
+  * Added patch to fix handling of window attributes for WS_EX_LAYERED | WS_EX_COMPOSITED.
   * Removed patch to fix RandR on some broken nVidia systems (accepted upstream).
   * Removed patch to set last error on success in WSARecv (accepted upstream).
   * Removed patch to fix handling of subdirectory in FtpFindFirstFile (accepted upstream).
diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index 154f4111..c921ae12 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -181,6 +181,7 @@ patch_enable_all ()
 	enable_winex11_CandidateWindowPos="$1"
 	enable_winex11_Clipboard_HTML="$1"
 	enable_winex11_Window_Groups="$1"
+	enable_winex11_Window_Style="$1"
 	enable_winex11_XEMBED="$1"
 	enable_winex11_wglShareLists="$1"
 	enable_wininet_encoding="$1"
@@ -571,6 +572,9 @@ patch_enable ()
 		winex11-Window_Groups)
 			enable_winex11_Window_Groups="$2"
 			;;
+		winex11-Window_Style)
+			enable_winex11_Window_Style="$2"
+			;;
 		winex11-XEMBED)
 			enable_winex11_XEMBED="$2"
 			;;
@@ -3512,6 +3516,21 @@ if test "$enable_winex11_Window_Groups" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset winex11-Window_Style
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#37876] Fix handling of window attributes for WS_EX_LAYERED | WS_EX_COMPOSITED
+# |
+# | Modified files:
+# |   *	dlls/winex11.drv/window.c
+# |
+if test "$enable_winex11_Window_Style" -eq 1; then
+	patch_apply winex11-Window_Style/0001-winex11-Fix-handling-of-window-attributes-for-WS_EX_.patch
+	(
+		echo '+    { "Dmitry Timoshkov", "winex11: Fix handling of window attributes for WS_EX_LAYERED | WS_EX_COMPOSITED.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset winex11-XEMBED
 # |
 # | Modified files:
diff --git a/patches/winex11-Window_Style/0001-winex11-Fix-handling-of-window-attributes-for-WS_EX_.patch b/patches/winex11-Window_Style/0001-winex11-Fix-handling-of-window-attributes-for-WS_EX_.patch
new file mode 100644
index 00000000..0a74a9c0
--- /dev/null
+++ b/patches/winex11-Window_Style/0001-winex11-Fix-handling-of-window-attributes-for-WS_EX_.patch
@@ -0,0 +1,36 @@
+From 97b7b28a83e4b6ae0bf7e1d66d8d22ac71cedf7f Mon Sep 17 00:00:00 2001
+From: Dmitry Timoshkov <dmitry@baikal.ru>
+Date: Sat, 24 Jan 2015 05:12:49 +0100
+Subject: winex11: Fix handling of window attributes for WS_EX_LAYERED |
+ WS_EX_COMPOSITED.
+
+---
+ dlls/winex11.drv/window.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
+index 06e2294..7c4a829 100644
+--- a/dlls/winex11.drv/window.c
++++ b/dlls/winex11.drv/window.c
+@@ -260,7 +260,7 @@ static unsigned long get_mwm_decorations( struct x11drv_win_data *data,
+     if (data->shaped) return 0;
+ 
+     if (ex_style & WS_EX_TOOLWINDOW) return 0;
+-    if (ex_style & WS_EX_LAYERED) return 0;
++    if ((ex_style & (WS_EX_LAYERED | WS_EX_COMPOSITED)) == WS_EX_LAYERED) return 0;
+ 
+     if ((style & WS_CAPTION) == WS_CAPTION)
+     {
+@@ -2320,7 +2320,8 @@ void CDECL X11DRV_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags
+             BOOL needs_map = TRUE;
+ 
+             /* layered windows are mapped only once their attributes are set */
+-            if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED) needs_map = data->layered;
++            if ((GetWindowLongW( hwnd, GWL_EXSTYLE ) & (WS_EX_LAYERED | WS_EX_COMPOSITED)) == WS_EX_LAYERED)
++                needs_map = data->layered;
+             release_win_data( data );
+             if (needs_icon) fetch_icon_data( hwnd, 0, 0 );
+             if (needs_map) map_window( hwnd, new_style );
+-- 
+2.2.1
+
diff --git a/patches/winex11-Window_Style/definition b/patches/winex11-Window_Style/definition
new file mode 100644
index 00000000..e846f4fd
--- /dev/null
+++ b/patches/winex11-Window_Style/definition
@@ -0,0 +1 @@
+Fixes: [37876] Fix handling of window attributes for WS_EX_LAYERED | WS_EX_COMPOSITED