diff --git a/glove/glove.py b/glove/glove.py
index ec90ca3..6945d5b 100644
--- a/glove/glove.py
+++ b/glove/glove.py
@@ -252,8 +252,9 @@ def load_stanford(cls, filename):
                 word = tokens[0]
                 entries = tokens[1:]
 
-                dct[word] = i
-                vectors.extend(float(x) for x in entries)
+                if word not in dct:
+                    dct[word] = i
+                    vectors.extend(float(x) for x in entries)
 
         # Infer word vectors dimensions.
         no_components = len(entries)