diff --git a/debian/unstable-tests.s390x b/debian/unstable-tests.s390x
new file mode 100644
index 0000000000000000000000000000000000000000..552b1316efe98cd00c1be1b56752280ad56c4a81
--- /dev/null
+++ b/debian/unstable-tests.s390x
@@ -0,0 +1 @@
+unit.pcre_test : MDEV-17865