diff --git a/klausur-service/backend/tests/test_cv_vocab_pipeline.py b/klausur-service/backend/tests/test_cv_vocab_pipeline.py
index 603509c..20d3620 100644
--- a/klausur-service/backend/tests/test_cv_vocab_pipeline.py
+++ b/klausur-service/backend/tests/test_cv_vocab_pipeline.py
@@ -1306,7 +1306,7 @@ class TestCellsToVocabEntriesPageRef:
                 'row_index': 0,
                 'col_type': 'column_en',
                 'text': 'hello',
-                'bbox_pct': [10, 10, 30, 5],
+                'bbox_pct': {'x': 10, 'y': 10, 'w': 30, 'h': 5},
                 'confidence': 95.0,
                 'ocr_engine': 'tesseract',
             },
@@ -1314,7 +1314,7 @@ class TestCellsToVocabEntriesPageRef:
                 'row_index': 0,
                 'col_type': 'column_de',
                 'text': 'hallo',
-                'bbox_pct': [40, 10, 30, 5],
+                'bbox_pct': {'x': 40, 'y': 10, 'w': 30, 'h': 5},
                 'confidence': 90.0,
                 'ocr_engine': 'tesseract',
             },
@@ -1322,7 +1322,7 @@ class TestCellsToVocabEntriesPageRef:
                 'row_index': 0,
                 'col_type': 'page_ref',
                 'text': 'p.59',
-                'bbox_pct': [5, 10, 5, 5],
+                'bbox_pct': {'x': 5, 'y': 10, 'w': 5, 'h': 5},
                 'confidence': 80.0,
                 'ocr_engine': 'tesseract',
             },
@@ -1337,7 +1337,7 @@ class TestCellsToVocabEntriesPageRef:
         assert entries[0]['english'] == 'hello'
         assert entries[0]['german'] == 'hallo'
         assert entries[0]['source_page'] == 'p.59'
-        assert entries[0]['bbox_ref'] == [5, 10, 5, 5]
+        assert entries[0]['bbox_ref'] == {'x': 5, 'y': 10, 'w': 5, 'h': 5}
 
     def test_no_page_ref_defaults_empty(self):
         """Without page_ref cell, source_page defaults to empty string."""
@@ -1348,7 +1348,7 @@ class TestCellsToVocabEntriesPageRef:
                 'row_index': 0,
                 'col_type': 'column_en',
                 'text': 'world',
-                'bbox_pct': [10, 10, 30, 5],
+                'bbox_pct': {'x': 10, 'y': 10, 'w': 30, 'h': 5},
                 'confidence': 95.0,
                 'ocr_engine': 'tesseract',
             },