diff --git a/board/templatetags/post_body.py b/board/templatetags/post_body.py
index 79bb1ee..8358c6f 100644
--- a/board/templatetags/post_body.py
+++ b/board/templatetags/post_body.py
@@ -52,6 +52,9 @@ class ReplyBuilder:
                 self.do_reply()
             elif self.remain[:4] == ">":
                 self.do_quote()
+            elif self.remain[:2] == r"\[" and self.remain[:9] == r"\[spoiler":
+                self.final += "[spoiler"
+                self.adv(9)
             elif self.parse_spoilers and self.remain[:9] == "[spoiler]":
                 self.do_spoiler()
             else: