diff --git a/fastembed/sparse/sparse_embedding_base.py b/fastembed/sparse/sparse_embedding_base.py
index ea9a4907..ac497f5a 100644
--- a/fastembed/sparse/sparse_embedding_base.py
+++ b/fastembed/sparse/sparse_embedding_base.py
@@ -26,7 +26,7 @@ def as_dict(self) -> dict[int, float]:
     @classmethod
     def from_dict(cls, data: dict[int, float]) -> "SparseEmbedding":
         if len(data) == 0:
-            return cls(values=np.array([]), indices=np.array([]))
+            return cls(values=np.array([]), indices=np.array([], dtype=np.int64))
         indices, values = zip(*data.items())
         return cls(values=np.array(values), indices=np.array(indices))