diff --git a/.gitignore b/.gitignore
index 1ae669b..9ad9465 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ libdvdread-svn1188.tar.bz2
 /libdvdread-5.0.0.tar.bz2
 /libdvdread-5.0.2.tar.bz2
 /libdvdread-5.0.3.tar.bz2
+/A01-UDFReadBlocks-errors.patch
diff --git a/libdvdread.spec b/libdvdread.spec
index 3159ba8..bdc685b 100644
--- a/libdvdread.spec
+++ b/libdvdread.spec
@@ -1,10 +1,12 @@
 Name:           libdvdread
 Version:        5.0.3
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A library for reading DVD video discs based on Ogle code
 License:        GPLv2+
 URL:            http://dvdnav.mplayerhq.hu/
 Source0:        https://download.videolan.org/pub/videolan/libdvdread/%{version}/libdvdread-%{version}.tar.bz2
+# https://github.com/HandBrake/HandBrake/issues/535
+Patch0:         https://raw.githubusercontent.com/HandBrake/HandBrake/master/contrib/libdvdread/A01-UDFReadBlocks-errors.patch
 Provides:       bundled(md5-gcc)
 
 %description
@@ -24,6 +26,7 @@ This package contains development files for libdvdread.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 %configure --disable-static
@@ -55,6 +58,9 @@ rm %{buildroot}%{_libdir}/libdvdread.la
 %{_libdir}/pkgconfig/dvdread.pc
 
 %changelog
+* Sun Feb 12 2017 Dominik Mierzejewski <rpm@greysector.net> 5.0.3-4
+- fix hanging on scanning title (patch by John Stebbins)
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 5.0.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
 
diff --git a/sources b/sources
index ba6c01c..695046a 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
-b7b7d2a782087ed2a913263087083715  libdvdread-5.0.3.tar.bz2
+SHA512 (A01-UDFReadBlocks-errors.patch) = 2a860ca08f4a8e01a7dd3cebb1b457aacd3bd00d878c68aab4aefaffdf23b513bd16fa10eeca05c701ecc1fb0a813df32e2f4338a0f094639ef8cb2b2be0d482
+SHA512 (libdvdread-5.0.3.tar.bz2) = 1ca438f0b5c406549eec62e1abef1e8745b9f932bcd30a3194ee9e37995b269ec8f1652a24cc3d2cb11ddb964e4a47a06e5405f9402e616586ff6263a1af3fc2