diff --git a/doxygen-guard-null-variable.patch b/doxygen-guard-null-variable.patch
new file mode 100644
index 0000000..98a5e07
--- /dev/null
+++ b/doxygen-guard-null-variable.patch
@@ -0,0 +1,25 @@
+From 0f02761a158a5e9ddbd5801682482af8986dbc35 Mon Sep 17 00:00:00 2001
+From: albert-github <albert.tests@gmail.com>
+Date: Wed, 4 Jan 2017 12:24:55 +0100
+Subject: [PATCH] Bug 776791 - [1.8.13 Regression] Segfault building the
+ breathe docs
+
+Protected against NULL pointer of variable al
+---
+ src/xmlgen.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/xmlgen.cpp b/src/xmlgen.cpp
+index fe95c7a..70e198a 100644
+--- a/src/xmlgen.cpp
++++ b/src/xmlgen.cpp
+@@ -620,7 +620,7 @@ static void generateXMLForMember(MemberDef *md,FTextStream &ti,FTextStream &t,De
+     if (md->isInline()) t << "yes"; else t << "no";
+     t << "\"";
+ 
+-    if (al->refQualifier!=RefQualifierNone)
++    if (al!=0 && al->refQualifier!=RefQualifierNone)
+     {
+       t << " refqual=\"";
+       if (al->refQualifier==RefQualifierLValue) t << "lvalue"; else t << "rvalue";
+
diff --git a/doxygen.changes b/doxygen.changes
index b58a689..4c7800b 100644
--- a/doxygen.changes
+++ b/doxygen.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Feb 20 17:51:08 UTC 2017 - dimstar@opensuse.org
+
+- Add doxygen-guard-null-variable.patch: Protected against NULL
+  pointer of variable al, upstream commit 0f02761.
+
 -------------------------------------------------------------------
 Tue Feb 14 08:10:21 UTC 2017 - foss@grueninger.de
 
diff --git a/doxygen.spec b/doxygen.spec
index 2f11948..107277c 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -34,6 +34,8 @@ Patch3:         vhdlparser-no-return.patch
 Patch4:         doxygen-dot-one-thread.patch
 # Submitted upstream, fix for https://bugzilla.gnome.org/show_bug.cgi?id=777672
 Patch6:         res2cc_sort_resources.diff
+# PATCH-FIX-UPSTREAM doxygen-guard-null-variable.patch gh#doxygen/doxygen#555 dimstar@opensuse.org -- Protected against NULL pointer of variable al
+Patch7:         doxygen-guard-null-variable.patch
 BuildRequires:  bison
 BuildRequires:  cmake >= 2.8.12
 BuildRequires:  flex
@@ -59,6 +61,7 @@ as well.
 %patch4 -p1
 %endif
 %patch6 -p0
+%patch7 -p1
 
 %build
 export CFLAGS="%{optflags} -fPIC"