diff --git a/quake3.spec b/quake3.spec
index 393a3c7..6de325e 100644
--- a/quake3.spec
+++ b/quake3.spec
@@ -163,7 +163,7 @@ make %{?_smp_mflags} \
     USE_LOCAL_HEADERS=0 BUILD_GAME_SO=0 GENERATE_DEPENDENCIES=0 \
     USE_INTERNAL_SPEEX=0 USE_INTERNAL_ZLIB=0 USE_INTERNAL_JPEG=0 \
     BUILD_CLIENT_SMP=1 CROSS_COMPILING=1
-appstream-util validate --nonet %{SOURCE17} %{SOURCE18} %{SOURCE19}
+appstream-util validate-relax --nonet %{SOURCE17} %{SOURCE18} %{SOURCE19}
 
 
 %install
@@ -244,6 +244,9 @@ install -p -m 644 %{SOURCE20} \
 
 
 %changelog
+* Wed Apr 10 2019 Vít Ondruch <vondruch@redhat.com> - 1.36-33.svn2102
+- Relax AppData validation to fix the FTBFS and comply with guidelines.
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.36-33.svn2102
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild