diff --git a/DStarControl.cpp b/DStarControl.cpp
index 9687716..dbb4ea5 100644
--- a/DStarControl.cpp
+++ b/DStarControl.cpp
@@ -361,10 +361,7 @@ bool CDStarControl::writeModem(unsigned char *data, unsigned int len)
 			if (CUtils::compare(data + 1U, DSTAR_KENWOOD_DATA_MODE_BYTES, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
 				LogMessage("D-Star, switching to data mode (Kenwood)");
 				m_rfState = RS_RF_DATA;
-			} else if (CUtils::compare(data + 1U, DSTAR_ICOM_DATA_MODE_BYTES1, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
-				LogMessage("D-Star, switching to data mode (Icom)");
-				m_rfState = RS_RF_DATA;
-			} else if (CUtils::compare(data + 1U, DSTAR_ICOM_DATA_MODE_BYTES2, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
+			} else if (CUtils::compare(data + 1U, DSTAR_ICOM_DATA_MODE_BYTES, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
 				LogMessage("D-Star, switching to data mode (Icom)");
 				m_rfState = RS_RF_DATA;
 			}
@@ -730,13 +727,10 @@ void CDStarControl::writeNetwork()
 		if (m_netState == RS_NET_AUDIO && m_netFrames < 21U) {
 			if (CUtils::compare(data + 2U, DSTAR_KENWOOD_DATA_MODE_BYTES, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
 				LogMessage("D-Star, switching to data mode (Kenwood)");
-				m_netState = RS_NET_DATA;
-			} else if (CUtils::compare(data + 2U, DSTAR_ICOM_DATA_MODE_BYTES1, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
+				m_rfState = RS_RF_DATA;
+			} else if (CUtils::compare(data + 2U, DSTAR_ICOM_DATA_MODE_BYTES, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
 				LogMessage("D-Star, switching to data mode (Icom)");
-				m_netState = RS_NET_DATA;
-			} else if (CUtils::compare(data + 2U, DSTAR_ICOM_DATA_MODE_BYTES2, DSTAR_VOICE_FRAME_LENGTH_BYTES) < 5U) {
-				LogMessage("D-Star, switching to data mode (Icom)");
-				m_netState = RS_NET_DATA;
+				m_rfState = RS_RF_DATA;
 			}
 		}
 
diff --git a/DStarDefines.h b/DStarDefines.h
index 697f57a..0e32e29 100644
--- a/DStarDefines.h
+++ b/DStarDefines.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016,2018 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -37,8 +37,7 @@ const unsigned char DSTAR_NULL_FRAME_SYNC_BYTES[] = { TAG_DATA, 0x9E, 0x8D, 0x32
 const unsigned char DSTAR_NULL_FRAME_DATA_BYTES[] = { TAG_DATA, 0x9E, 0x8D, 0x32, 0x88, 0x26, 0x1A, 0x3F, 0x61, 0xE8, 0x16, 0x29, 0xF5 };
 
 const unsigned char DSTAR_KENWOOD_DATA_MODE_BYTES[] = { 0xEEU, 0xC2U, 0xA1U, 0xC8U, 0x42U, 0x6EU, 0x52U, 0x51U, 0xC3U };
-const unsigned char DSTAR_ICOM_DATA_MODE_BYTES1[]   = { 0xB2U, 0x4DU, 0x22U, 0x48U, 0xC0U, 0x16U, 0x28U, 0x26U, 0xC8U };
-const unsigned char DSTAR_ICOM_DATA_MODE_BYTES2[]   = { 0x70U, 0x4FU, 0x93U, 0x40U, 0x64U, 0x74U, 0x6DU, 0x30U, 0x2BU };
+const unsigned char DSTAR_ICOM_DATA_MODE_BYTES[]    = { 0xB2U, 0x4DU, 0x22U, 0x48U, 0xC0U, 0x16U, 0x28U, 0x26U, 0xC8U };
 
 const unsigned int  DSTAR_VOICE_FRAME_LENGTH_BYTES = 9U;
 const unsigned int  DSTAR_DATA_FRAME_LENGTH_BYTES  = 3U;