diff --git a/check.spec b/check.spec
index 66a0d05..70f5ec6 100644
--- a/check.spec
+++ b/check.spec
@@ -70,7 +70,7 @@ find . -name .cvsignore -exec rm {} +
 autoreconf -ivf
 
 %build
-%configure
+%configure --disable-timeout-tests
 
 # Get rid of undesirable hardcoded rpaths
 sed -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' \
@@ -123,6 +123,9 @@ rm -rf checkmk/test/empty_input
 %{_mandir}/man1/checkmk.1*
 
 %changelog
+* Mon Jul 23 2018 Jerry James <loganjerry@gmail.com> - 0.12.0-3
+- Disable unreliable timeout tests (sometimes fail on busy builders)
+
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.12.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild