diff --git a/tests/guest-tools/win/test_xenclean.py b/tests/guest-tools/win/test_xenclean.py
index 8b5679ae..6400a979 100644
--- a/tests/guest-tools/win/test_xenclean.py
+++ b/tests/guest-tools/win/test_xenclean.py
@@ -10,7 +10,7 @@
 
 def run_xenclean(vm: VM, guest_tools_iso: dict[str, Any]):
     vm.insert_cd(guest_tools_iso["name"])
-    wait_for(lambda: vm.file_exists("D:/", regular_file=False))
+    wait_for(lambda: vm.file_exists("D:/", regular_file=False), timeout_secs=600)
 
     logging.info("Run XenClean")
     xenclean_path = PureWindowsPath("D:\\") / guest_tools_iso["xenclean_path"]