diff --git a/src/types/poll.rs b/src/types/poll.rs
index caf6af5e..ac244a0b 100644
--- a/src/types/poll.rs
+++ b/src/types/poll.rs
@@ -37,7 +37,7 @@ pub struct Poll {
     /// 0-based identifier of the correct answer option. Available only for
     /// polls in the quiz mode, which are closed, or was sent (not
     /// forwarded) by the bot or to the private chat with the bot.
-    pub correct_option_id: Option<i32>,
+    pub correct_option_id: Option<u8>,
 
     /// Text that is shown when a user chooses an incorrect answer or taps on
     /// the lamp icon in a quiz-style poll, 0-200 characters.