diff --git a/fugashi_parser.py b/fugashi_parser.py
index 15df21c..62addd5 100644
--- a/fugashi_parser.py
+++ b/fugashi_parser.py
@@ -224,7 +224,7 @@ def chunk_predicates(tokens):
 def is_vocab_token(pos, keep_pronouns=False, keep_numbers=False):
     pos1, pos2, pos3, pos4 = pos
 
-    if pos1 not in {"名詞", "動詞", "形容詞", "形状詞", "副詞", "代名詞"}:
+    if pos1 not in {"名詞", "動詞", "形容詞", "形状詞", "副詞", "代名詞", "感動詞"}:
         return False
 
     if pos1 == "代名詞" and not keep_pronouns: