diff --git a/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.cpp b/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.cpp
index 271919070c..1dbcbd1120 100644
--- a/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.cpp
+++ b/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.cpp
@@ -74,7 +74,7 @@ namespace Terrain
 
                     ->DataElement(
                         AZ::Edit::UIHandlers::Default, &TerrainSurfaceMaterialsListConfig::m_surfaceMaterials,
-                        "Gradient to Material Mappings", "Maps surfaces to materials.");
+                        "Material Mappings", "Maps surfaces to materials.");
             }
         }
     }
@@ -123,7 +123,7 @@ namespace Terrain
             {
                 surfaceMaterialMapping.m_active = false;
                 surfaceMaterialMapping.m_materialAsset.QueueLoad();
-                AZ::Data::AssetBus::Handler::BusConnect(surfaceMaterialMapping.m_materialAsset.GetId());
+                AZ::Data::AssetBus::MultiHandler::BusConnect(surfaceMaterialMapping.m_materialAsset.GetId());
             }
         }
     }
@@ -136,7 +136,7 @@ namespace Terrain
         {
             if (surfaceMaterialMapping.m_materialAsset.GetId().IsValid())
             {
-                AZ::Data::AssetBus::Handler::BusDisconnect(surfaceMaterialMapping.m_materialAsset.GetId());
+                AZ::Data::AssetBus::MultiHandler::BusDisconnect(surfaceMaterialMapping.m_materialAsset.GetId());
                 surfaceMaterialMapping.m_materialAsset.Release();
                 surfaceMaterialMapping.m_materialInstance.reset();
                 surfaceMaterialMapping.m_activeMaterialAssetId = AZ::Data::AssetId();
@@ -202,7 +202,7 @@ namespace Terrain
                 // Don't disconnect from the AssetBus if this material is mapped more than once.
                 if (CountMaterialIDInstances(surfaceMaterialMapping.m_activeMaterialAssetId) == 1)
                 {
-                    AZ::Data::AssetBus::Handler::BusDisconnect(surfaceMaterialMapping.m_activeMaterialAssetId);
+                    AZ::Data::AssetBus::MultiHandler::BusDisconnect(surfaceMaterialMapping.m_activeMaterialAssetId);
                 }
 
                 surfaceMaterialMapping.m_activeMaterialAssetId = AZ::Data::AssetId();
@@ -238,7 +238,7 @@ namespace Terrain
             // All materials have been deactivated, stop listening for requests and notifications.
             m_cachedAabb = AZ::Aabb::CreateNull();
             LmbrCentral::ShapeComponentNotificationsBus::Handler::BusDisconnect();
-            TerrainAreaMaterialRequestBus::Handler::BusConnect(GetEntityId());
+            TerrainAreaMaterialRequestBus::Handler::BusDisconnect();
         }
     }
 
diff --git a/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.h b/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.h
index 7c36033c41..72eee5f68e 100644
--- a/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.h
+++ b/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsListComponent.h
@@ -53,7 +53,7 @@ namespace Terrain
     class TerrainSurfaceMaterialsListComponent
         : public AZ::Component
         , private TerrainAreaMaterialRequestBus::Handler
-        , private AZ::Data::AssetBus::Handler
+        , private AZ::Data::AssetBus::MultiHandler
         , private LmbrCentral::ShapeComponentNotificationsBus::Handler
     {
     public: