diff --git a/src/server/scripts/Maelstrom/Stonecore/instance_stonecore.cpp b/src/server/scripts/Maelstrom/Stonecore/instance_stonecore.cpp
index 20ce42c1c42..8eb484ec4bb 100644
--- a/src/server/scripts/Maelstrom/Stonecore/instance_stonecore.cpp
+++ b/src/server/scripts/Maelstrom/Stonecore/instance_stonecore.cpp
@@ -119,6 +119,10 @@ class instance_stonecore : public InstanceMapScript
                         if (GetBossState(DATA_SLABHIDE) == DONE)
                             ActivateTeleporter(creature);
                         break;
+                    case BOSS_CORBORUS:
+                    case BOSS_SLABHIDE:
+                        creature->setActive(true);
+                        break;
                     default:
                         break;
                 }