diff --git a/BlendFile/Reader.cs b/BlendFile/Reader.cs
index 677e2eb..7979ec1 100644
--- a/BlendFile/Reader.cs
+++ b/BlendFile/Reader.cs
@@ -139,7 +139,7 @@ public class Reader {
     /// <param name="fieldMetadata">Array of <see cref="FieldInfo"/>s containing <see cref="DNAFieldAttribute"/> attributes</param>
     /// <param name="startOffset">offset in bytes from where structure starts in the block</param>
     private void FillObject(Kaitai.BlendFile.FileBlock block, ref object? obj, FieldInfo[] fieldMetadata, long startOffset = 0) {
-        if(block.Code == "ENDB") return;
+        if(block.Code == "ENDB") return;// ENDB is a special block that does not contain any data
         foreach (var field in fieldMetadata) {
             //Get the DNAFieldAttribute of the current field
             var attrib = field.GetCustomAttribute<DNAFieldAttribute>();
@@ -166,7 +166,7 @@ public class Reader {
                     //Get the information of the fields of the new object
                     var fieldInfo = newObj.GetType().GetFields();
                     
-                    //If the field is a pointer, we need to dereference it
+                    //If the field is not a pointer, we need to dereference it
                     if (!attrib.IsPointer) {
                         long relAddr = block.MemAddr.ToMemAddr() + offset;
                         if (objects.TryGetValue((relAddr, newObj.GetType()), out object? o)) {
@@ -177,6 +177,8 @@ public class Reader {
                         //Fill the object with the data from the block (this is recursive)
                         FillObject(block, ref newObj, fieldInfo, offset);
                     } else { // if is a pointer, make a pointer to the pointer
+                        long memAddr = data.ToMemAddr();
+                        if (memAddr == 0) continue; //nullPointer, no need to store the reference
                         pointers.TryAdd(block.MemAddr.ToMemAddr() + offset, data.ToMemAddr());
                     }
                 }