diff --git a/libraries/AP_Mount/AP_Mount_Siyi.cpp b/libraries/AP_Mount/AP_Mount_Siyi.cpp
index 6737c06bbc..36747b60f6 100644
--- a/libraries/AP_Mount/AP_Mount_Siyi.cpp
+++ b/libraries/AP_Mount/AP_Mount_Siyi.cpp
@@ -281,6 +281,7 @@ void AP_Mount_Siyi::read_incoming_packets()
         if (reset_parser) {
             _parsed_msg.state = ParseState::WAITING_FOR_HEADER_LOW;
             _msg_buff_len = 0;
+            reset_parser = false;
         }
     }
 }