diff --git a/YSFGateway/WiresX.cpp b/YSFGateway/WiresX.cpp
index 4197c4b..8653e12 100644
--- a/YSFGateway/WiresX.cpp
+++ b/YSFGateway/WiresX.cpp
@@ -338,7 +338,8 @@ void CWiresX::createReply(const unsigned char* data, unsigned int length)
 	payload.writeDataFRModeData1(m_csd1, buffer + 35U);
 	payload.writeDataFRModeData2(m_csd2, buffer + 35U);
 
-	buffer[34U] = seqNo++;
+	buffer[34U] = seqNo;
+	seqNo *= 2U;
 
 	m_network->write(buffer);
 
@@ -385,7 +386,8 @@ void CWiresX::createReply(const unsigned char* data, unsigned int length)
 		fich.setBN(bn);
 		fich.encode(buffer + 35U);
 
-		buffer[34U] = seqNo++;
+		buffer[34U] = seqNo;
+		seqNo *= 2U;
 
 		m_network->write(buffer);