diff --git a/python/sglang/srt/mem_cache/radix_cache.py b/python/sglang/srt/mem_cache/radix_cache.py
index 9dba0b349..a4214dcc1 100644
--- a/python/sglang/srt/mem_cache/radix_cache.py
+++ b/python/sglang/srt/mem_cache/radix_cache.py
@@ -463,7 +463,7 @@ class RadixCache(BasePrefixCache):
         ]
 
         # Maybe convert to bigram keys for EAGLE
-        keys = convert_to_bigram_key(req.fill_ids) if self.is_eagle else req.fill_ids
+        keys = convert_to_bigram_key(token_ids) if self.is_eagle else token_ids
         keys = self._page_align_keys(keys)
         values = kv_indices[: len(keys)].to(dtype=torch.int64, copy=True)
         radix_key = RadixKey(keys, req.extra_key, is_bigram=self.is_eagle)
@@ -501,7 +501,7 @@ class RadixCache(BasePrefixCache):
         ]
 
         # Maybe convert to bigram keys for EAGLE
-        keys = convert_to_bigram_key(req.fill_ids) if self.is_eagle else req.fill_ids
+        keys = convert_to_bigram_key(token_ids) if self.is_eagle else token_ids
         keys = self._page_align_keys(keys)
         values = kv_indices[: len(keys)].to(dtype=torch.int64, copy=True)
         radix_key = RadixKey(keys, req.extra_key, is_bigram=self.is_eagle)