diff --git a/ocr/app/engines/paddle_engine.py b/ocr/app/engines/paddle_engine.py
index f4d8e3b..4965ebf 100644
--- a/ocr/app/engines/paddle_engine.py
+++ b/ocr/app/engines/paddle_engine.py
@@ -78,7 +78,7 @@ class PaddleOcrEngine(OcrEngine):
                     engine_name=self.name,
                 )
 
-            res = results[0].res
+            res = results[0].json
             dt_polys = res.get("dt_polys", [])
             rec_texts = res.get("rec_texts", [])
             rec_scores = res.get("rec_scores", [])
diff --git a/ocr/tests/test_engine_abstraction.py b/ocr/tests/test_engine_abstraction.py
index a85f0f5..446fcbd 100644
--- a/ocr/tests/test_engine_abstraction.py
+++ b/ocr/tests/test_engine_abstraction.py
@@ -46,7 +46,7 @@ def _mock_paddle_result(
 ) -> MagicMock:
     """Create a mock PaddleOCR v3.x predict() result object."""
     result = MagicMock()
-    result.res = {
+    result.json = {
         "dt_polys": dt_polys,
         "rec_texts": rec_texts,
         "rec_scores": rec_scores,