diff --git a/libdvbpsi-calloc.patch b/libdvbpsi-calloc.patch
new file mode 100644
index 0000000..7000bbc
--- /dev/null
+++ b/libdvbpsi-calloc.patch
@@ -0,0 +1,24 @@
+From 5058ea22730a67f03dd253dce89d513bc430bfb6 Mon Sep 17 00:00:00 2001
+From: =?utf8?q?Rafa=C3=ABl=20Carr=C3=A9?= <funman@videolan.org>
+Date: Fri, 5 Sep 2014 12:11:49 +0200
+Subject: [PATCH] dr_50: fix off-by-6
+
+---
+ src/descriptors/dr_50.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/descriptors/dr_50.c b/src/descriptors/dr_50.c
+index a2e491c..9933b08 100644
+--- a/src/descriptors/dr_50.c
++++ b/src/descriptors/dr_50.c
+@@ -70,7 +70,7 @@ dvbpsi_component_dr_t* dvbpsi_DecodeComponentDr(dvbpsi_descriptor_t * p_descript
+     if (p_descriptor->i_length > 6)
+     {
+     	p_decoded->i_text_length = p_descriptor->i_length - 6;
+-    	p_decoded->i_text = calloc(p_decoded->i_text_length - 6, sizeof(uint8_t));
++        p_decoded->i_text = calloc(1, p_decoded->i_text_length);
+         if (!p_decoded->i_text)
+         {
+         	free(p_decoded);
+-- 
+1.7.10.4
diff --git a/libdvbpsi.spec b/libdvbpsi.spec
index 54d182d..f7d6050 100644
--- a/libdvbpsi.spec
+++ b/libdvbpsi.spec
@@ -4,12 +4,13 @@
 Summary: 	Library for MPEG TS and DVB PSI tables decoding and generation
 Name: 		libdvbpsi
 Version: 	1.2.0
-Release: 	2%{?pre}%{?dist}
+Release: 	3%{?pre}%{?dist}
 License: 	LGPLv2+
 Group: 		System Environment/Libraries
 URL: 		http://www.videolan.org/developers/libdvbpsi.html
 Source0: 	http://download.videolan.org/pub/libdvbpsi/%{version}/%{name}-%{version}%{?pre}.tar.bz2
 Patch0:         libdvbpsi-backport-werror_on_debug.patch
+Patch1:         libdvbpsi-calloc.patch
 BuildRequires:	graphviz doxygen
 BuildRequires:  libtool
 
@@ -32,6 +33,7 @@ This package contains development files for %{name}
 %prep
 %setup -q -n %{name}-%{version}%{?pre}
 %patch0 -p1
+%patch1 -p1
 autoreconf -vif
 
 
@@ -61,6 +63,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/lib*.la
 
 
 %changelog
+* Sat Oct 24 2015 Nicolas Chauvet <kwizart@gmail.com> - 1.2.0-3
+- backport patch - rfbz#3729
+
 * Sun Apr 26 2015 Nicolas Chauvet <kwizart@gmail.com> - 1.2.0-2
 - Backport patch to disable Werror - fix f22