diff --git a/google-noto-fonts.spec b/google-noto-fonts.spec
index 40beecf..7f08ae4 100644
--- a/google-noto-fonts.spec
+++ b/google-noto-fonts.spec
@@ -1056,7 +1056,7 @@ for f in $(echo %{noto_fcconflist}); do
     xmllint --loaddtd --valid --nonet %{buildroot}%{_fontconfig_templatedir}/$f
 done
 for f in $(echo %{noto_metafilelist}); do
-    appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/$f
+    appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/$f || (cat $f; exit 1)
 done
 
 %files common