diff --git a/src/message_read.rs b/src/message_read.rs
index 4e13313..8fb8719 100644
--- a/src/message_read.rs
+++ b/src/message_read.rs
@@ -22,7 +22,7 @@ impl MessageReader {
     }
 
     fn parse_first(&mut self) -> anyhow::Result<Message> {
-        let length = u16::from_be_bytes([self.buffer[0], self.buffer[2]]);
+        let length = u16::from_be_bytes([self.buffer[0], self.buffer[1]]);
         let message_length = 2 + length as usize;
         let message = self.buffer[..message_length].to_vec();
         self.buffer = self.buffer[message_length..].to_vec();