diff --git a/src/python/tests/test_gather.py b/src/python/tests/test_gather.py
index c777821a..d4093d3a 100644
--- a/src/python/tests/test_gather.py
+++ b/src/python/tests/test_gather.py
@@ -669,8 +669,8 @@ def test_simple_with_manifest_loading(runtmp):
     sig63 = get_test_data('63.fa.sig.gz')
 
     make_file_list(against_list, [sig2, sig47, sig63])
-    query_manifest = get_test_data("query-manifest.csv")
-    against_manifest = get_test_data("against-manifest.csv")
+    query_manifest = runtmp.output("query-manifest.csv")
+    against_manifest = runtmp.output("against-manifest.csv")
 
     runtmp.sourmash("sig", "manifest", query, "-o", query_manifest)
     runtmp.sourmash("sig", "manifest", against_list, "-o", against_manifest)