diff --git a/fix-c++-compat.patch b/fix-c++-compat.patch
new file mode 100644
index 0000000..85f78d8
--- /dev/null
+++ b/fix-c++-compat.patch
@@ -0,0 +1,25 @@
+From e09a9a35a1fdb4e849e63bdaf47d936c272b5e82 Mon Sep 17 00:00:00 2001
+From: Lennart Poettering <lennart@poettering.net>
+Date: Mon, 5 Mar 2012 15:16:10 +0100
+Subject: [PATCH] sd-login: c++ compatibility
+
+---
+ src/systemd/sd-login.h |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/src/systemd/sd-login.h b/src/systemd/sd-login.h
+index 2f3c90c..6e99cfc 100644
+--- a/src/systemd/sd-login.h
++++ b/src/systemd/sd-login.h
+@@ -94,7 +94,7 @@ int sd_session_get_service(const char *session, char **service);
+ int sd_session_get_type(const char *session, char **type);
+ 
+ /* Determine the class of this session, i.e. one of "user", "greeter" or "lock-screen". */
+-int sd_session_get_class(const char *session, char **class);
++int sd_session_get_class(const char *session, char **clazz);
+ 
+ /* Determine the X11 display of this session. */
+ int sd_session_get_display(const char *session, char **display);
+-- 
+1.7.7
+
diff --git a/systemd-gtk.changes b/systemd-gtk.changes
index 9b99646..c065d07 100644
--- a/systemd-gtk.changes
+++ b/systemd-gtk.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Mar 12 08:50:36 UTC 2012 - fcrozat@suse.com
+
+- Add fix-c++-compat.patch: fix C++ compatibility error in header.
+
 -------------------------------------------------------------------
 Wed Feb 29 13:22:17 UTC 2012 - fcrozat@suse.com
 
diff --git a/systemd.changes b/systemd.changes
index 9b99646..c065d07 100644
--- a/systemd.changes
+++ b/systemd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Mar 12 08:50:36 UTC 2012 - fcrozat@suse.com
+
+- Add fix-c++-compat.patch: fix C++ compatibility error in header.
+
 -------------------------------------------------------------------
 Wed Feb 29 13:22:17 UTC 2012 - fcrozat@suse.com
 
diff --git a/systemd.spec b/systemd.spec
index 6d6a036..04f53ed 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -88,6 +88,7 @@ Patch39:        correct_plymouth_paths_and_conflicts.patch
 # an exception will be silently removed with the next version update.
 Patch21:        no-tmpfs-fsck.patch
 Patch40:        systemd-journald-fix-endianess-bug.patch
+Patch41:        fix-c++-compat.patch
 
 %description
 Systemd is a system and service manager, compatible with SysV and LSB
@@ -148,6 +149,7 @@ Plymouth integration for systemd
 %patch38 -p1
 %patch39 -p1
 %patch40 -p1
+%patch41 -p1
 
 %build
 autoreconf -fiv