diff --git a/tests/ossfuzz/config/fuzz_decode_stream_mt.options b/tests/ossfuzz/config/fuzz_decode_stream_mt.options
new file mode 100644
index 00000000..bbf43ac4
--- /dev/null
+++ b/tests/ossfuzz/config/fuzz_decode_stream_mt.options
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: 0BSD
+
+[libfuzzer]
+dict = fuzz_xz.dict