diff --git a/tests/test-runner/bin/zts-report.py.in b/tests/test-runner/bin/zts-report.py.in
index 6413a711d8..d6fd556445 100755
--- a/tests/test-runner/bin/zts-report.py.in
+++ b/tests/test-runner/bin/zts-report.py.in
@@ -212,7 +212,7 @@ elif sys.platform.startswith('linux'):
 # reasons listed above can be used.
 #
 maybe = {
-    'append/threadsappend_001_pos': ['FAIL', 6136],
+    'threadsappend/threadsappend_001_pos': ['FAIL', 6136],
     'chattr/setup': ['SKIP', exec_reason],
     'crtime/crtime_001_pos': ['SKIP', statx_reason],
     'cli_root/zdb/zdb_006_pos': ['FAIL', known_reason],