diff --git a/OpenSim/Framework/AvatarAppearance.cs b/OpenSim/Framework/AvatarAppearance.cs
index 4f598b04ae..95e9667f6b 100644
--- a/OpenSim/Framework/AvatarAppearance.cs
+++ b/OpenSim/Framework/AvatarAppearance.cs
@@ -330,6 +330,9 @@ namespace OpenSim.Framework
             SetVisualParams(visualParams);
         }
 
+        /// <summary>
+        /// Set avatar height by a calculation based on their visual parameters.
+        /// </summary>
         public virtual void SetHeight()
         {
             // Start with shortest possible female avatar height
diff --git a/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiAppearanceTest.cs b/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiAppearanceTest.cs
index c40179456d..eb51c4e1d0 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiAppearanceTest.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiAppearanceTest.cs
@@ -36,11 +36,12 @@ using OpenMetaverse;
 using OpenMetaverse.Assets;
 using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
+using OpenSim.Region.CoreModules.Avatar.Attachments;
 using OpenSim.Region.CoreModules.Avatar.AvatarFactory;
-using OpenSim.Region.OptionalModules.World.NPC;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.ScriptEngine.Shared;
 using OpenSim.Region.ScriptEngine.Shared.Api;
+using OpenSim.Region.OptionalModules.World.NPC;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
 using OpenSim.Tests.Common.Mock;
@@ -68,7 +69,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             config.Set("Enabled", "true");
 
             m_scene = new SceneHelpers().SetupScene();
-            SceneHelpers.SetupSceneModules(m_scene, initConfigSource, new AvatarFactoryModule(), new NPCModule());
+            SceneHelpers.SetupSceneModules(
+                m_scene, initConfigSource, new AvatarFactoryModule(), new AttachmentsModule(), new NPCModule());
 
             m_engine = new XEngine.XEngine();
             m_engine.Initialise(initConfigSource);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiNpcTests.cs b/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiNpcTests.cs
index b5a4d93815..0a3a75da33 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiNpcTests.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiNpcTests.cs
@@ -36,6 +36,7 @@ using OpenMetaverse;
 using OpenMetaverse.Assets;
 using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
+using OpenSim.Region.CoreModules.Avatar.Attachments;
 using OpenSim.Region.CoreModules.Avatar.AvatarFactory;
 using OpenSim.Region.OptionalModules.World.NPC;
 using OpenSim.Region.Framework.Scenes;
@@ -71,7 +72,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             config.Set("Enabled", "true");
 
             m_scene = new SceneHelpers().SetupScene();
-            SceneHelpers.SetupSceneModules(m_scene, initConfigSource, new AvatarFactoryModule(), new NPCModule());
+            SceneHelpers.SetupSceneModules(
+                m_scene, initConfigSource, new AvatarFactoryModule(), new AttachmentsModule(), new NPCModule());
 
             m_engine = new XEngine.XEngine();
             m_engine.Initialise(initConfigSource);
@@ -147,6 +149,44 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             Assert.That(npc.Appearance.AvatarHeight, Is.EqualTo(newHeight));
         }
 
+        [Test]
+        public void TestOsNpcLoadAppearance()
+        {
+            TestHelpers.InMethod();
+
+            // Store an avatar with a different height from default in a notecard.
+            UUID userId = TestHelpers.ParseTail(0x1);
+            float firstHeight = 1.9f;
+            float secondHeight = 2.1f;
+            string firstAppearanceNcName = "appearanceNc1";
+            string secondAppearanceNcName = "appearanceNc2";
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(m_scene, userId);
+            sp.Appearance.AvatarHeight = firstHeight;
+            SceneObjectGroup so = SceneHelpers.CreateSceneObject(1, userId, 0x10);
+            SceneObjectPart part = so.RootPart;
+            m_scene.AddSceneObject(so);
+
+            OSSL_Api osslApi = new OSSL_Api();
+            osslApi.Initialize(m_engine, part, null);
+
+            osslApi.osOwnerSaveAppearance(firstAppearanceNcName);
+
+            string npcRaw
+                = osslApi.osNpcCreate("Jane", "Doe", new LSL_Types.Vector3(128, 128, 128), firstAppearanceNcName);
+
+            // Create a second appearance notecard with a different height
+            sp.Appearance.AvatarHeight = secondHeight;
+            osslApi.osOwnerSaveAppearance(secondAppearanceNcName);
+
+            osslApi.osNpcLoadAppearance(npcRaw, secondAppearanceNcName);
+
+            UUID npcId = new UUID(npcRaw);
+            ScenePresence npc = m_scene.GetScenePresence(npcId);
+            Assert.That(npc, Is.Not.Null);
+            Assert.That(npc.Appearance.AvatarHeight, Is.EqualTo(secondHeight));
+        }
+
         /// <summary>
         /// Test removal of an owned NPC.
         /// </summary>
@@ -154,7 +194,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
         public void TestOsNpcRemoveOwned()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
 
             // Store an avatar with a different height from default in a notecard.
             UUID userId = TestHelpers.ParseTail(0x1);