diff --git a/haystack/nodes/reader/farm.py b/haystack/nodes/reader/farm.py
index 9e9d065a2d..32420a05b0 100644
--- a/haystack/nodes/reader/farm.py
+++ b/haystack/nodes/reader/farm.py
@@ -887,7 +887,7 @@ def predict(self, query: str, documents: List[Document], top_k: Optional[int] =
                          'answer': 'Eddard,',
                          'context': "She travels with her father, Eddard, to King's Landing when he is",
                          'score': 0.9787139466668613,
-                         'offsets_in_context': [Span(start=29, end=35],
+                         'offsets_in_document': [Span(start=29, end=35],
                          'offsets_in_context': [Span(start=347, end=353],
                          'document_id': '88d1ed769d003939d3a0d28034464ab2'
                          ),...