diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.cpp b/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.cpp
index 391f125eb8..eb454752d5 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.cpp
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.cpp
@@ -299,7 +299,7 @@ void AP_RCProtocol_CRSF::update(void)
         for (uint8_t i = 0; i < n; i++) {
             int16_t b = _uart->read();
             if (b >= 0) {
-                process_byte(AP_HAL::micros(), uint8_t(b));
+                _process_byte(AP_HAL::micros(), uint8_t(b));
             }
         }
     }