diff --git a/libical.spec b/libical.spec
index 7700d25..63f6cd6 100644
--- a/libical.spec
+++ b/libical.spec
@@ -1,7 +1,7 @@
 Summary:	Reference implementation of the iCalendar data type and serialization format
 Name:		libical
 Version:	2.0.0
-Release:	2%{?dist}
+Release:	3%{?dist}
 License:	LGPLv2 or MPLv1.1
 URL:		http://freeassociation.sourceforge.net/
 Source:		https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
@@ -32,7 +32,7 @@ applications that use libical.
 %build
 mkdir -p %{_target_platform}
 pushd %{_target_platform}
-%{cmake} ..
+%{cmake} -DUSE_INTEROPERABLE_VTIMEZONES=true ..
 popd
 
 make %{?_smp_mflags} -C %{_target_platform}
@@ -70,6 +70,9 @@ make test ARGS="-V" -C %{_target_platform}
 %{_includedir}/libical/
 
 %changelog
+* Fri Jan 29 2016 Milan Crha <mcrha@redhat.com> - 2.0.0-3
+- Build with -DUSE_INTEROPERABLE_VTIMEZONES=true
+
 * Mon Jan 18 2016 Milan Crha <mcrha@redhat.com> - 2.0.0-2
 - Add patch for missing function (icallangbind_quote_as_ical_r)