diff --git a/docs/bugs_and_glitches.md b/docs/bugs_and_glitches.md
index cd69a08fd..4aeb088ef 100644
--- a/docs/bugs_and_glitches.md
+++ b/docs/bugs_and_glitches.md
@@ -304,6 +304,7 @@ Fix:
 CheckHiddenOpponent: ; 37daa
 	ld a, BATTLE_VARS_SUBSTATUS5_OPP
 	call GetBattleVar
+	ld a, [hl]
 	and 1 << SUBSTATUS_LOCK_ON
 	cp 1 << SUBSTATUS_LOCK_ON
 	ret z