diff --git a/src/libraries/System.Text.Json/src/System/Text/Json/Document/JsonDocument.cs b/src/libraries/System.Text.Json/src/System/Text/Json/Document/JsonDocument.cs
index 2cb13212373b4..6b075966bb736 100644
--- a/src/libraries/System.Text.Json/src/System/Text/Json/Document/JsonDocument.cs
+++ b/src/libraries/System.Text.Json/src/System/Text/Json/Document/JsonDocument.cs
@@ -54,7 +54,7 @@ private JsonDocument(
             _utf8Json = utf8Json;
             _parsedData = parsedData;
 
-            if (_extraRentedArrayPoolBytes != null)
+            if (extraRentedArrayPoolBytes != null)
             {
                 _hasExtraRentedArrayPoolBytes = true;
                 _extraRentedArrayPoolBytes = extraRentedArrayPoolBytes;