diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index d112a9b5..65c97e5c 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -6354,6 +6354,7 @@ if test "$enable_uxtheme_GTK_Theming" -eq 1; then
 	patch_apply uxtheme-GTK_Theming/0004-uxthemegtk-Correctly-render-buttons-with-GTK-3.14.0.patch
 	patch_apply uxtheme-GTK_Theming/0005-uxthemegtk-Print-class-name-before-calling-vtable-fu.patch
 	patch_apply uxtheme-GTK_Theming/0006-uxthemegtk-Reset-FPU-flags-before-calling-GTK3-funct.patch
+	patch_apply uxtheme-GTK_Theming/0007-uxthemegtk-Add-export-for-OpenThemeDataEx.patch
 	(
 		echo '+    { "Michael Müller", "uxthemegtk: Add configure check and stub dll.", 1 },';
 		echo '+    { "Ivan Akulinchev", "uxthemegtk: Initial implementation.", 1 },';
@@ -6361,6 +6362,7 @@ if test "$enable_uxtheme_GTK_Theming" -eq 1; then
 		echo '+    { "Sebastian Lackner", "uxthemegtk: Correctly render buttons with GTK >= 3.14.0.", 1 },';
 		echo '+    { "Michael Müller", "uxthemegtk: Print class name before calling vtable functions.", 1 },';
 		echo '+    { "Michael Müller", "uxthemegtk: Reset FPU flags before calling GTK3 functions.", 1 },';
+		echo '+    { "Sebastian Lackner", "uxthemegtk: Add export for OpenThemeDataEx.", 1 },';
 	) >> "$patchlist"
 fi
 
diff --git a/patches/uxtheme-GTK_Theming/0007-uxthemegtk-Add-export-for-OpenThemeDataEx.patch b/patches/uxtheme-GTK_Theming/0007-uxthemegtk-Add-export-for-OpenThemeDataEx.patch
new file mode 100644
index 00000000..b8f1a4df
--- /dev/null
+++ b/patches/uxtheme-GTK_Theming/0007-uxthemegtk-Add-export-for-OpenThemeDataEx.patch
@@ -0,0 +1,59 @@
+From e82e7adedc71f3a2cb3f8a4c7af5ffbfaad48885 Mon Sep 17 00:00:00 2001
+From: Sebastian Lackner <sebastian@fds-team.de>
+Date: Wed, 27 Jan 2016 08:20:28 +0100
+Subject: uxthemegtk: Add export for OpenThemeDataEx.
+
+---
+ dlls/uxtheme-gtk/uxtheme-gtk.spec | 2 +-
+ dlls/uxtheme-gtk/uxtheme.c        | 9 +++++++--
+ 2 files changed, 8 insertions(+), 3 deletions(-)
+
+diff --git a/dlls/uxtheme-gtk/uxtheme-gtk.spec b/dlls/uxtheme-gtk/uxtheme-gtk.spec
+index 4acc0fa..c4a619a 100644
+--- a/dlls/uxtheme-gtk/uxtheme-gtk.spec
++++ b/dlls/uxtheme-gtk/uxtheme-gtk.spec
+@@ -38,7 +38,7 @@
+ 46 stub -noname ClassicAdjustWindowRectEx
+ 48 stub -noname GetThemeParseErrorInfo
+ 60 stub -noname CreateThemeDataFromObjects
+-61 stub OpenThemeDataEx
++61 stdcall OpenThemeDataEx(ptr wstr long)
+ 62 stub -noname ServerClearStockObjects
+ 63 stub -noname MarkSelection
+ 
+diff --git a/dlls/uxtheme-gtk/uxtheme.c b/dlls/uxtheme-gtk/uxtheme.c
+index b520f6f..15fc231 100644
+--- a/dlls/uxtheme-gtk/uxtheme.c
++++ b/dlls/uxtheme-gtk/uxtheme.c
+@@ -501,14 +501,14 @@ BOOL WINAPI IsThemeDialogTextureEnabled(HWND hwnd)
+     return TRUE; /* Always enabled */
+ }
+ 
+-HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR classlist)
++HTHEME WINAPI OpenThemeDataEx(HWND hwnd, LPCWSTR classlist, DWORD flags)
+ {
+     WCHAR *start, *tok, buf[CLASSLIST_MAXLEN];
+     uxgtk_theme_t *theme;
+     WORD fpu_flags;
+     int i;
+ 
+-    TRACE("(%p, %s)\n", hwnd, debugstr_w(classlist));
++    TRACE("(%p, %s, %x)\n", hwnd, debugstr_w(classlist), flags);
+ 
+     if (libgtk3 == NULL)
+     {
+@@ -562,6 +562,11 @@ found:
+     return theme;
+ }
+ 
++HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR classlist)
++{
++    return OpenThemeDataEx(hwnd, classlist, 0);
++}
++
+ void WINAPI SetThemeAppProperties(DWORD flags)
+ {
+     TRACE("(%u)\n", flags);
+-- 
+2.6.4
+