diff --git a/src/server/scripts/Spells/spell_hunter.cpp b/src/server/scripts/Spells/spell_hunter.cpp
index 9512644dc..fa9e2d79e 100644
--- a/src/server/scripts/Spells/spell_hunter.cpp
+++ b/src/server/scripts/Spells/spell_hunter.cpp
@@ -1195,8 +1195,10 @@ class spell_hun_lock_and_load : public AuraScript
         if (!(eventInfo.GetTypeMask() & PROC_FLAG_DONE_TRAP_ACTIVATION))
             return false;
 
+        // Patch 3.3.3: Lock and Load no longer triggers from Explosive Trap activation,
+        // only from frost trap activation. Fire traps proc via CheckPeriodicProc instead.
         SpellInfo const* spellInfo = eventInfo.GetSpellInfo();
-        if (!spellInfo || !(spellInfo->GetSchoolMask() & (SPELL_SCHOOL_MASK_FROST | SPELL_SCHOOL_MASK_FIRE)))
+        if (!spellInfo || !(spellInfo->GetSchoolMask() & SPELL_SCHOOL_MASK_FROST))
             return false;
 
         // immune to Frost Trap slow (bosses) in WotLK patch 3.2.0