diff --git a/debian/tests/system-test b/debian/tests/system-test
index bdf38072..4811b19e 100755
--- a/debian/tests/system-test
+++ b/debian/tests/system-test
@@ -23,6 +23,7 @@ export USER=root # for t07/RootDirInaccessible
 
 disable_test t01_version/version VersionTest "version"
 disable_test t02_config/config CreateConfigTest "different conf"
+disable_test t04_mirror/create CreateMirror18Test "target repo down"
 disable_test t04_mirror/create CreateMirror31Test "public key not found"
 disable_test t04_mirror/create CreateMirror35Test "flaky on s390"
 disable_test t07_serve/serve Serve1Test "minor html diff"