diff --git a/WowPacketParser/Store/Objects/UpdateFields/IBitVector.cs b/WowPacketParser/Store/Objects/UpdateFields/IBitVector.cs
new file mode 100644
index 0000000000..218ef2f6ad
--- /dev/null
+++ b/WowPacketParser/Store/Objects/UpdateFields/IBitVector.cs
@@ -0,0 +1,6 @@
+namespace WowPacketParser.Store.Objects.UpdateFields
+{
+    public interface IBitVector
+    {
+    }
+}
diff --git a/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateFieldsHandler1105.cs b/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateFieldsHandler1105.cs
index b042da92a5..ce130e13d3 100644
--- a/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateFieldsHandler1105.cs
+++ b/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateFieldsHandler1105.cs
@@ -2532,50 +2532,84 @@ public static ISkillInfo ReadUpdateSkillInfo(Packet packet, params object[] inde
             return data;
         }
 
-        public static IBitVectors ReadCreateBitVectors(Packet packet, params object[] indexes)
+        public static IBitVector ReadCreateBitVector(Packet packet, params object[] indexes)
         {
-            var data = new BitVectors();
+            var data = new BitVector();
             packet.ResetBitReader();
-            for (var i = 0; i < 13; ++i)
+            data.Values.Resize(packet.ReadUInt32());
+            for (var i = 0; i < data.Values.Count; ++i)
             {
-                data.Values[i].Resize(packet.ReadUInt32());
-                for (var j = 0; j < data.Values[i].Count; ++j)
-                {
-                    data.Values[i][j] = packet.ReadUInt64("Values", indexes, i, j);
-                }
+                data.Values[i] = packet.ReadUInt64("Values", indexes, i);
             }
             return data;
         }
 
-        public static IBitVectors ReadUpdateBitVectors(Packet packet, params object[] indexes)
+        public static IBitVector ReadUpdateBitVector(Packet packet, params object[] indexes)
         {
-            var data = new BitVectors();
+            var data = new BitVector();
             packet.ResetBitReader();
             var rawChangesMask = new int[1];
-            rawChangesMask[0] = (int)packet.ReadBits(1);
+            rawChangesMask[0] = (int)packet.ReadBits(2);
             var changesMask = new BitArray(rawChangesMask);
 
             if (changesMask[0])
             {
-                for (var i = 0; i < 13; ++i)
+                if (changesMask[1])
                 {
-                    data.Values[i].ReadUpdateMask(packet);
+                    data.Values.ReadUpdateMask(packet);
                 }
             }
+            packet.ResetBitReader();
             if (changesMask[0])
             {
-                for (var i = 0; i < 13; ++i)
+                if (changesMask[1])
                 {
-                    for (var j = 0; j < data.Values[i].Count; ++j)
+                    for (var i = 0; i < data.Values.Count; ++i)
                     {
-                        if (data.Values[i].UpdateMask[j])
+                        if (data.Values.UpdateMask[i])
                         {
-                            data.Values[i][j] = packet.ReadUInt64("Values", indexes, i, j);
+                            data.Values[i] = packet.ReadUInt64("Values", indexes, i);
                         }
                     }
                 }
             }
+            return data;
+        }
+
+        public static IBitVectors ReadCreateBitVectors(Packet packet, params object[] indexes)
+        {
+            var data = new BitVectors();
             packet.ResetBitReader();
+            for (var i = 0; i < 13; ++i)
+            {
+                data.Values[i] = ReadCreateBitVector(packet, indexes, "Values", i);
+            }
+            return data;
+        }
+
+        public static IBitVectors ReadUpdateBitVectors(Packet packet, params object[] indexes)
+        {
+            var data = new BitVectors();
+            packet.ResetBitReader();
+            var rawChangesMask = new int[1];
+            var rawMaskMask = new int[1];
+            rawMaskMask[0] = (int)packet.ReadBits(1);
+            var maskMask = new BitArray(rawMaskMask);
+            if (maskMask[0])
+                rawChangesMask[0] = (int)packet.ReadBits(32);
+            var changesMask = new BitArray(rawChangesMask);
+
+            packet.ResetBitReader();
+            if (changesMask[0])
+            {
+                for (var i = 0; i < 13; ++i)
+                {
+                    if (changesMask[1 + i])
+                    {
+                        data.Values[i] = ReadUpdateBitVector(packet, indexes, "Values", i);
+                    }
+                }
+            }
             return data;
         }
 
diff --git a/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateHandler.cs b/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateHandler.cs
index e50f0838c5..1b6769fef1 100644
--- a/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateHandler.cs
+++ b/WowPacketParserModule.V11_0_0_55666/Parsers/UpdateHandler.cs
@@ -839,9 +839,9 @@ private static MovementInfo ReadMovementUpdateBlock(Packet packet, CreateObject
                     gob.WorldEffectID = worldEffectId;
 
                 var hasInt1 = packet.ReadBit("bit8", index);
-                var hasStruct2 = packet.ReadBit("HasShipPath", index);
+                var hasShipPath = packet.ReadBit("HasShipPath", index);
                 var hasTransportStatePercent = packet.ReadBit("HasTransportStatePercent", index);
-                if (hasStruct2)
+                if (hasShipPath)
                 {
                     packet.ResetBitReader();
                     packet.ReadUInt32("Period", index, "ShipPath");
diff --git a/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVector.cs b/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVector.cs
new file mode 100644
index 0000000000..4714f852c9
--- /dev/null
+++ b/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVector.cs
@@ -0,0 +1,17 @@
+// <auto-generated>
+// DO NOT EDIT
+// </auto-generated>
+
+using System.CodeDom.Compiler;
+using WowPacketParser.Misc;
+using WowPacketParser.Store.Objects.UpdateFields;
+
+namespace WowPacketParserModule.V11_0_0_55666.UpdateFields.V11_0_5_57171
+{
+    [GeneratedCode("UpdateFieldCodeGenerator.Formats.WowPacketParserHandler", "1.0.0.0")]
+    public class BitVector : IBitVector
+    {
+        public DynamicUpdateField<System.Nullable<ulong>> Values { get; } = new DynamicUpdateField<System.Nullable<ulong>>();
+    }
+}
+
diff --git a/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVectors.cs b/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVectors.cs
index 3766e83bcd..cef7a8b752 100644
--- a/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVectors.cs
+++ b/WowPacketParserModule.V11_0_0_55666/UpdateFields/V11_0_5_57171/BitVectors.cs
@@ -11,7 +11,7 @@ namespace WowPacketParserModule.V11_0_0_55666.UpdateFields.V11_0_5_57171
     [GeneratedCode("UpdateFieldCodeGenerator.Formats.WowPacketParserHandler", "1.0.0.0")]
     public class BitVectors : IBitVectors
     {
-        public DynamicUpdateField<System.Nullable<ulong>>[] Values { get; } = new DynamicUpdateField<System.Nullable<ulong>>[13] { new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>(), new DynamicUpdateField<System.Nullable<ulong>>() };
+        public IBitVector[] Values { get; } = new IBitVector[13];
     }
 }