diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el
index 3ee1169139..3905aeba70 100644
--- a/lisp/net/tramp.el
+++ b/lisp/net/tramp.el
@@ -2476,6 +2476,7 @@ tramp-file-name-for-operation
 It does not always return a Tramp file name, for example if the
 first argument of `expand-file-name' is absolute and not remote.
 Must be handled by the callers."
+  (let (signal-hook-function)
   (cond
    ;; FILE resp DIRECTORY.
    ((member operation
@@ -2558,7 +2559,7 @@ tramp-file-name-for-operation
    ((member operation '(tramp-get-remote-gid tramp-get-remote-uid))
     (tramp-make-tramp-file-name (nth 0 args)))
    ;; Unknown file primitive.
-   (t (error "Unknown file I/O primitive: %s" operation))))
+   (t (error "Unknown file I/O primitive: %s" operation)))))

 (defun tramp-find-foreign-file-name-handler (filename &optional _operation)
   "Return foreign file name handler if exists."