diff --git a/email2trac-2.6.2-installperms.patch b/email2trac-2.6.2-installperms.patch
deleted file mode 100644
index 4db3a60..0000000
--- a/email2trac-2.6.2-installperms.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff -up email2trac-2.6.2/Makefile.in.orig email2trac-2.6.2/Makefile.in
---- email2trac-2.6.2/Makefile.in.orig	2010-03-24 11:09:47.000000000 +0100
-+++ email2trac-2.6.2/Makefile.in	2013-03-11 20:42:43.055175533 +0100
-@@ -37,15 +37,15 @@ install: all install-conf
- 	for script in $(PYTHON_FILES) ; \
- 	do \
-           name=`basename $$script '.py'` ;\
--	  $(INSTALL) -m 755 -o $(INSTALL_USER) $$script  $(DESTDIR)$(EXEC_PREFIX)/$$name ;\
-+	  $(INSTALL) -m 755 $$script  $(DESTDIR)$(EXEC_PREFIX)/$$name ;\
- 	done
- 
--	$(INSTALL) -m 4111 -o  $(INSTALL_USER) run_email2trac $(DESTDIR)$(EXEC_PREFIX)
-+	$(INSTALL) -m 755 run_email2trac $(DESTDIR)$(EXEC_PREFIX)
- 
- install-conf:
- 	if [ ! -f  $(DESTDIR)/$(CONFIG)/email2trac.conf ] ; \
- 	then \
--		$(INSTALL) -c -m 644 -o $(INSTALL_USER) email2trac.conf $(DESTDIR)/$(CONFIG)/email2trac.conf ;\
-+		$(INSTALL) -c -m 644 email2trac.conf $(DESTDIR)/$(CONFIG)/email2trac.conf ;\
- 	fi
-  
- clean:
diff --git a/email2trac-2.8.0-format-security.patch b/email2trac-2.8.0-format-security.patch
new file mode 100644
index 0000000..302985e
--- /dev/null
+++ b/email2trac-2.8.0-format-security.patch
@@ -0,0 +1,12 @@
+diff -up email2trac-2.8.0/run_email2trac.c.format-security email2trac-2.8.0/run_email2trac.c
+--- email2trac-2.8.0/run_email2trac.c.format-security	2014-01-14 13:26:24.000000000 +0100
++++ email2trac-2.8.0/run_email2trac.c	2014-04-19 12:26:13.531840470 +0200
+@@ -56,7 +56,7 @@ void check_username(char *name)
+ void email2trac_log(char *message)
+ {
+     openlog("run_email2trac", LOG_PID, LOG_MAIL); 
+-    syslog(LOG_ERR, message);
++    syslog(LOG_ERR, "%s", message);
+     closelog();
+ }
+ 
diff --git a/email2trac-2.8.0-installperms.patch b/email2trac-2.8.0-installperms.patch
new file mode 100644
index 0000000..e41149e
--- /dev/null
+++ b/email2trac-2.8.0-installperms.patch
@@ -0,0 +1,22 @@
+diff -up email2trac-2.8.0/Makefile.in.installperms email2trac-2.8.0/Makefile.in
+--- email2trac-2.8.0/Makefile.in.installperms	2010-03-24 11:09:47.000000000 +0100
++++ email2trac-2.8.0/Makefile.in	2014-04-19 12:27:53.791343007 +0200
+@@ -37,15 +37,15 @@ install: all install-conf
+ 	for script in $(PYTHON_FILES) ; \
+ 	do \
+           name=`basename $$script '.py'` ;\
+-	  $(INSTALL) -m 755 -o $(INSTALL_USER) $$script  $(DESTDIR)$(EXEC_PREFIX)/$$name ;\
++	  $(INSTALL) -m 755 $$script  $(DESTDIR)$(EXEC_PREFIX)/$$name ;\
+ 	done
+ 
+-	$(INSTALL) -m 4111 -o  $(INSTALL_USER) run_email2trac $(DESTDIR)$(EXEC_PREFIX)
++	$(INSTALL) -m 755 run_email2trac $(DESTDIR)$(EXEC_PREFIX)
+ 
+ install-conf:
+ 	if [ ! -f  $(DESTDIR)/$(CONFIG)/email2trac.conf ] ; \
+ 	then \
+-		$(INSTALL) -c -m 644 -o $(INSTALL_USER) email2trac.conf $(DESTDIR)/$(CONFIG)/email2trac.conf ;\
++		$(INSTALL) -c -m 644 email2trac.conf $(DESTDIR)/$(CONFIG)/email2trac.conf ;\
+ 	fi
+  
+ clean:
diff --git a/email2trac.spec b/email2trac.spec
index e3eb98d..83c739e 100644
--- a/email2trac.spec
+++ b/email2trac.spec
@@ -10,7 +10,9 @@ URL:            https://oss.trac.surfsara.nl/email2trac
 Source0:        ftp://ftp.sara.nl/pub/outgoing/email2trac-%{version}.tar.gz
 BuildRequires:  python
 Requires:       trac
-Patch0:         email2trac-2.6.2-installperms.patch
+Patch0:         email2trac-2.8.0-installperms.patch
+# see https://oss.trac.surfsara.nl/email2trac/ticket/341
+Patch1:         email2trac-2.8.0-format-security.patch
 
 %description
 This is a release of the SARA package email2trac that contains
@@ -32,7 +34,8 @@ extend the initial setup, with the following extensions:
 
 %prep
 %setup -q
-%patch0 -p1
+%patch0 -p1 -b .installperms
+%patch1 -p1 -b .format-security
 
 
 %build
@@ -55,6 +58,7 @@ make install DESTDIR=%{buildroot}
 %changelog
 * Sat Apr 19 2014 Thomas Moschny <thomas.moschny@gmx.de> - 2.8.0-1
 - Update to 2.8.0.
+- Add patch to fix format-security error.
 
 * Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.7.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild