diff --git a/pythainlp/wsd/core.py b/pythainlp/wsd/core.py
index 375d9e135..d09e5980c 100644
--- a/pythainlp/wsd/core.py
+++ b/pythainlp/wsd/core.py
@@ -12,10 +12,6 @@
 _wsd_dict: dict[str, Union[list[str], list[list[str]]]] = thai_wsd_dict()
 _mean_all: dict[str, list[str]] = {}
 
-_all_word: set[str] = cast("set[str]", set(_mean_all.keys()))
-_TRIE: Trie = Trie(_all_word)
-_word_cut: Tokenizer = Tokenizer(custom_dict=_TRIE)
-
 words: list[str] = cast("list[str]", _wsd_dict["word"])
 meanings: list[list[str]] = cast("list[list[str]]", _wsd_dict["meaning"])
 i_word: str
@@ -23,6 +19,10 @@
 for i_word, i_meanings in zip(words, meanings):
     _mean_all[i_word] = i_meanings
 
+_all_word: set[str] = cast("set[str]", set(_mean_all.keys()))
+_TRIE: Trie = Trie(_all_word)
+_word_cut: Tokenizer = Tokenizer(custom_dict=_TRIE)
+
 _MODEL_CACHE: dict[str, _SentenceTransformersModel] = {}