diff --git a/test/lisp/progmodes/eglot-tests.el b/test/lisp/progmodes/eglot-tests.el
index 7a90d68d213..2388cf9ef51 100644
--- a/test/lisp/progmodes/eglot-tests.el
+++ b/test/lisp/progmodes/eglot-tests.el
@@ -1261,6 +1261,7 @@ eglot--call-with-tramp-test
   ;; really just the local host.
   (let* ((tramp-remote-path (cons 'tramp-own-remote-path tramp-remote-path))
          (tramp-histfile-override t)
+         (tramp-allow-unsafe-temporary-files t)
          (tramp-verbose 1)
          (temporary-file-directory ert-remote-temporary-file-directory)
          (default-directory temporary-file-directory))