diff --git a/src/server/scripts/Spells/spell_hunter.cpp b/src/server/scripts/Spells/spell_hunter.cpp
index 74ffa2b77..9512644dc 100644
--- a/src/server/scripts/Spells/spell_hunter.cpp
+++ b/src/server/scripts/Spells/spell_hunter.cpp
@@ -1199,12 +1199,11 @@ class spell_hun_lock_and_load : public AuraScript
         if (!spellInfo || !(spellInfo->GetSchoolMask() & (SPELL_SCHOOL_MASK_FROST | SPELL_SCHOOL_MASK_FIRE)))
             return false;
 
-        // TODO: Research whether Lock and Load should proc on targets
-        // immune to Frost Trap slow (bosses) in WotLK 3.3.5a.
-        // if (Spell const* procSpell = eventInfo.GetProcSpell())
-        //     if (Unit* target = procSpell->GetOriginalTarget())
-        //         if (target->IsImmunedToSpell(sSpellMgr->GetSpellInfo(SPELL_FROST_TRAP_SLOW)))
-        //             return false;
+        // immune to Frost Trap slow (bosses) in WotLK patch 3.2.0
+        if (Spell const* procSpell = eventInfo.GetProcSpell())
+             if (Unit* target = procSpell->GetOriginalTarget())
+                 if (target->IsImmunedToSpell(sSpellMgr->GetSpellInfo(SPELL_FROST_TRAP_SLOW)))
+                     return false;
 
         return roll_chance_i(aurEff->GetAmount());
     }