diff --git a/re2oapi/client.py b/re2oapi/client.py
index 3004750..31ecb7e 100644
--- a/re2oapi/client.py
+++ b/re2oapi/client.py
@@ -45,13 +45,8 @@ class Re2oAPIClient:
             self.token = self._get_token_from_file()
         except Exception:
             self.token = self._get_token_from_server()
-
-    def __del__(self):
-        try:
             self._save_token_to_file()
-        except Exception:
-            pass
-    
+
     @property
     def need_renew_token(self):
         """
@@ -96,9 +91,12 @@ class Re2oAPIClient:
             'expiration': self.token['expiration'].isoformat()
         }
 
-        with self.token_file.open('w') as f:
-            json.dump(data, f)
-        self.token_file.chmod(stat.S_IWRITE | stat.S_IREAD)
+        try:
+            with self.token_file.open('w') as f:
+                json.dump(data, f)
+            self.token_file.chmod(stat.S_IWRITE | stat.S_IREAD)
+        except Exception:
+            pass
 
     def _get_token_from_server(self):
         response = requests.post(
@@ -120,6 +118,7 @@ class Re2oAPIClient:
         """
         if self.need_renew_token:
             self.token = self._get_token_from_server()
+            self._save_token_to_file()
         return self.token['token']
 
     def get(self, url, headers={}, params={}, *args, **kwargs):