diff --git a/src/Xna.Framework.Content/Content/ContentTypeReaderManager.cs b/src/Xna.Framework.Content/Content/ContentTypeReaderManager.cs
index f0029db4827..4280012e60e 100644
--- a/src/Xna.Framework.Content/Content/ContentTypeReaderManager.cs
+++ b/src/Xna.Framework.Content/Content/ContentTypeReaderManager.cs
@@ -74,33 +74,35 @@ internal ContentTypeReader[] LoadAssetReaders(ContentReader reader, int typeRead
                     int readerTypeVersion = reader.ReadInt32();
 
                     ContentTypeReader typeReader;
+                    Type typeReaderType;
                     if (!_contentTypeReadersCache.ContainsKey(readerTypeName))
                     {
-                        Type typeReaderType = ResolveReaderType(readerTypeName);
+                        typeReaderType = ResolveReaderType(readerTypeName);
                         _contentTypeReadersCache.Add(readerTypeName, typeReaderType);
+                    }
+                    else
+                    {
+                        typeReaderType = _contentTypeReadersCache[readerTypeName];
+                    }
 
-                        System.Diagnostics.Debug.Assert(!_contentReadersCache.ContainsKey(typeReaderType));
-
+                    if (!_contentReadersCache.ContainsKey(typeReaderType))
+                    {
                         typeReader = typeReaderType.GetDefaultConstructor().Invoke(null) as ContentTypeReader;
                         needsInitialize[i] = true;
                         _contentReadersCache.Add(typeReaderType, typeReader);
-
-                        if (readerTypeVersion != typeReader.TypeVersion)
-                        {
-                            throw new ContentLoadException(
-                                String.Format("{0} of TypeVersion {1} does not match reader of TypeVersion {2}.",
-                                    typeReader.TargetType.Name, readerTypeVersion, typeReader.TypeVersion));
-                        }
                     }
                     else
                     {
-                        Type typeReaderType = _contentTypeReadersCache[readerTypeName];
-
-                        System.Diagnostics.Debug.Assert(_contentReadersCache.ContainsKey(typeReaderType));
-
                         typeReader = _contentReadersCache[typeReaderType];
                     }
 
+                    if (readerTypeVersion != typeReader.TypeVersion)
+                    {
+                        throw new ContentLoadException(
+                            String.Format("{0} of TypeVersion {1} does not match reader of TypeVersion {2}.",
+                                typeReader.TargetType.Name, readerTypeVersion, typeReader.TypeVersion));
+                    }
+
                     contentReaders[i] = typeReader;