diff --git a/libical-2.0.0-arm.patch b/libical-2.0.0-arm.patch
new file mode 100644
index 0000000..651f16c
--- /dev/null
+++ b/libical-2.0.0-arm.patch
@@ -0,0 +1,23 @@
+diff -up libical-2.0.0/src/libical/icalrecur.c.arm libical-2.0.0/src/libical/icalrecur.c
+--- libical-2.0.0/src/libical/icalrecur.c.arm	2016-01-18 15:37:30.117898162 +0100
++++ libical-2.0.0/src/libical/icalrecur.c	2016-01-18 15:37:36.730897882 +0100
+@@ -491,8 +491,8 @@ static int icalrecur_add_bydayrules(stru
+ 
+     while (n != 0) {
+         int sign = 1;
+-        char weekno;  /* note: Novell/Groupwise sends BYDAY=255SU,
+-                         so we fit in a signed char to get -1 SU for last Sun */
++        signed char weekno;  /* note: Novell/Groupwise sends BYDAY=255SU,
++                                so we fit in a signed char to get -1 SU for last Sun */
+         icalrecurrencetype_weekday wd;
+ 
+         if (i == ICAL_BY_DAY_SIZE) {
+@@ -510,7 +510,7 @@ static int icalrecur_add_bydayrules(stru
+         }
+ 
+         /* Get Optional weekno */
+-        weekno = (char)strtol(t, &t, 10);
++        weekno = (signed char)strtol(t, &t, 10);
+         if (weekno < 0) {
+             weekno = -weekno;
+             sign = -1;
diff --git a/libical.spec b/libical.spec
index e2fa302..19a08cb 100644
--- a/libical.spec
+++ b/libical.spec
@@ -5,6 +5,7 @@ Release:	1%{?dist}
 License:	LGPLv2 or MPLv1.1
 URL:		http://freeassociation.sourceforge.net/
 Source:		https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
+Patch0:		libical-2.0.0-arm.patch
 
 BuildRequires:	bison, byacc, flex
 BuildRequires:	cmake
@@ -24,6 +25,7 @@ applications that use libical.
 
 %prep
 %setup -q
+%patch0 -p1 -b .arm
 
 %build
 mkdir -p %{_target_platform}
@@ -69,6 +71,7 @@ make test ARGS="-V" -C %{_target_platform}
 * Mon Jan 18 2016 Milan Crha <mcrha@redhat.com> - 2.0.0-1
 - Update to 2.0.0
 - Remove patch for RH bug #1176204 (fixed upstream)
+- Add patch to fix ARM build break
 
 * Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild