diff --git a/data/sql/updates/pending_db_world/rev_erekem_guards_immune_to_pc.sql b/data/sql/updates/pending_db_world/rev_erekem_guards_immune_to_pc.sql
new file mode 100644
index 000000000..d3a3a0ada
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_erekem_guards_immune_to_pc.sql
@@ -0,0 +1,2 @@
+-- Erekem Guards: add UNIT_FLAG_IMMUNE_TO_PC (0x100)
+UPDATE `creature_template` SET `unit_flags` = `unit_flags` | 0x100 WHERE `entry` IN (29395, 31513);
diff --git a/src/server/scripts/Northrend/VioletHold/instance_violet_hold.cpp b/src/server/scripts/Northrend/VioletHold/instance_violet_hold.cpp
index 4b4d221b4..2f2e218ff 100644
--- a/src/server/scripts/Northrend/VioletHold/instance_violet_hold.cpp
+++ b/src/server/scripts/Northrend/VioletHold/instance_violet_hold.cpp
@@ -296,14 +296,14 @@ public:
                     {
                         guard1->RemoveUnitMovementFlag(MOVEMENTFLAG_WALKING);
                         guard1->RemoveUnitFlag(UNIT_FLAG_NON_ATTACKABLE);
-                        guard1->SetImmuneToNPC(false);
+                        guard1->SetImmuneToAll(false);
                         guard1->GetMotionMaster()->MovePoint(0, BossStartMove21);
                     }
                     if (Creature* guard2 = instance->GetCreature(_erekemGuardGuid[1]))
                     {
                         guard2->RemoveUnitMovementFlag(MOVEMENTFLAG_WALKING);
                         guard2->RemoveUnitFlag(UNIT_FLAG_NON_ATTACKABLE);
-                        guard2->SetImmuneToNPC(false);
+                        guard2->SetImmuneToAll(false);
                         guard2->GetMotionMaster()->MovePoint(0, BossStartMove22);
                     }
                     break;
@@ -545,14 +545,14 @@ public:
                 if (Creature* guard1 = instance->GetCreature(_erekemGuardGuid[0]))
                 {
                     guard1->SetUnitFlag(UNIT_FLAG_NON_ATTACKABLE);
-                    guard1->SetImmuneToNPC(true);
+                    guard1->SetImmuneToAll(true);
                     guard1->DespawnOrUnsummon(0ms, 3s);
                 }
                 _erekemGuardGuid[0].Clear();
                 if (Creature* guard2 = instance->GetCreature(_erekemGuardGuid[1]))
                 {
                     guard2->SetUnitFlag(UNIT_FLAG_NON_ATTACKABLE);
-                    guard2->SetImmuneToNPC(true);
+                    guard2->SetImmuneToAll(true);
                     guard2->DespawnOrUnsummon(0ms, 3s);
                 }
                 _erekemGuardGuid[1].Clear();