diff --git a/Modem.cpp b/Modem.cpp
index 1797071..31b3179 100644
--- a/Modem.cpp
+++ b/Modem.cpp
@@ -945,7 +945,7 @@ bool CModem::setConfig()
 
 	buffer[0U] = MMDVM_FRAME_START;
 
-	buffer[1U] = 16U;
+	buffer[1U] = 17U;
 
 	buffer[2U] = MMDVM_SET_CONFIG;