1 files changed, 1 insertions, 1 deletions

diff --git a/editors/diff.c b/editors/diff.c
index 64ad6511d..0e96c8496 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -1189,7 +1189,7 @@ static char **get_recursive_dirlist(char *path)
                 recursive_action(path, ACTION_RECURSE|ACTION_FOLLOWLINKS,
                                         add_to_dirlist, /* file_action */
                                         NULL, /* dir_action */
-                                        (void*)(strlen(path) + 1),
+                                        (void*)(ptrdiff_t)(strlen(path) + 1),
                                         0);
         } else {
                 DIR *dp;