diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 17fcafcc8..cc7e55cfe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,8 +2,6 @@ name: Unit test and code coverage
 
 on:
   push:
-    branches:
-      - dev
     paths-ignore:
       - '**.md'
       - 'docs/**'
diff --git a/pythainlp/word_vector/core.py b/pythainlp/word_vector/core.py
index 67ef0f4d2..14898c817 100644
--- a/pythainlp/word_vector/core.py
+++ b/pythainlp/word_vector/core.py
@@ -257,7 +257,7 @@ def sentence_vectorizer(text: str, use_mean: bool = True) -> ndarray:
         elif word == "\n":
             word = _TK_EOL
 
-        if word in _MODEL.index2word:
+        if word in _MODEL.index_to_key:
             vec += _MODEL.word_vec(word)
 
     if use_mean: