diff --git a/ppocr/modeling/heads/rec_abinet_head.py b/ppocr/modeling/heads/rec_abinet_head.py
index a0f60f1be1727e85380eedb7d311ce9445f88b8e..29450288c0c9bf70d41b172b27cd0ccb9b7b88c3 100644
--- a/ppocr/modeling/heads/rec_abinet_head.py
+++ b/ppocr/modeling/heads/rec_abinet_head.py
@@ -273,7 +273,7 @@ def _get_length(logit):
     out = out.cast('int32')
     out = out.argmax(-1)
     out = out + 1
-    out = paddle.where(abn, out, paddle.to_tensor(logit.shape[1]))
+    out = paddle.where(abn, out, paddle.full_like(out, logit.shape[1]))
     return out