diff --git source3/smbd/open.c source3/smbd/open.c
index 8a52cbd6850..909784c519f 100644
--- source3/smbd/open.c
+++ source3/smbd/open.c
@@ -46,6 +46,7 @@
 
 #if defined(HAVE_LINUX_MAGIC_H)
 #include <linux/magic.h>
+#define ZFS_SUPER_MAGIC 0x2fc12fc1
 #endif
 
 static NTSTATUS inherit_new_acl(files_struct *dirfsp, files_struct *fsp);
@@ -887,7 +888,7 @@ static bool fsp_is_automount_mountpoint(struct files_struct *fsp, int old_fd)
                DBG_ERR("fstatfs failed: %s\n", strerror(errno));
                return false;
        }
-       if (sbuf.f_type == AUTOFS_SUPER_MAGIC) {
+       if (sbuf.f_type == AUTOFS_SUPER_MAGIC || sbuf.f_type == ZFS_SUPER_MAGIC) {
                return true;
        }
        return false;