diff --git a/bin/tests/system/ixfr/ns1/.gitignore b/bin/tests/system/ixfr/ns1/.gitignore
new file mode 100644
index 0000000000..c7c276a3b3
--- /dev/null
+++ b/bin/tests/system/ixfr/ns1/.gitignore
@@ -0,0 +1 @@
+# empty directory