diff --git a/gensim/models/word2vec.py b/gensim/models/word2vec.py
index 3c4c32efa5..c025bd3c85 100755
--- a/gensim/models/word2vec.py
+++ b/gensim/models/word2vec.py
@@ -1691,7 +1691,7 @@ def prepare_weights(self, hs, negative, wv, update=False, vocabulary=None):
     def seeded_vector(self, seed_string, vector_size):
         """Get a random vector (but deterministic by seed_string)."""
         # Note: built-in hash() may vary by Python version or even (in Py3.x) per launch
-        once = random.RandomState(self.hashfxn(seed_string) & 0xffffffff)
+        once = random.SFC64(self.hashfxn(seed_string) & 0xffffffff)
         return (once.rand(vector_size) - 0.5) / vector_size
 
     def reset_weights(self, hs, negative, wv):