diff --git a/src/Tomlyn/Model/Accessors/DictionaryDynamicAccessor.cs b/src/Tomlyn/Model/Accessors/DictionaryDynamicAccessor.cs
index 2cf0ad6..c6cef5e 100644
--- a/src/Tomlyn/Model/Accessors/DictionaryDynamicAccessor.cs
+++ b/src/Tomlyn/Model/Accessors/DictionaryDynamicAccessor.cs
@@ -227,8 +227,7 @@ public SlowDictionaryAccessor(DynamicModelReadContext context, Type dictionaryTy
 
         public override IEnumerable<KeyValuePair<string, object?>> GetElements(object dictionary)
         {
-            var it = (IEnumerable)dictionary;
-            var enumerator = (IDictionaryEnumerator)it.GetEnumerator();
+            var enumerator = ((IDictionary)dictionary).GetEnumerator();
             while (enumerator.MoveNext())
             {