diff --git a/DStarGatewayConfig.cpp b/DStarGatewayConfig.cpp
index 2fd1492..b4c728d 100644
--- a/DStarGatewayConfig.cpp
+++ b/DStarGatewayConfig.cpp
@@ -92,6 +92,9 @@ bool CDStarGatewayConfig::loadDPlus(const Config & cfg)
 	bool ret = get_value(cfg, "dplus.enabled", m_dplus.enabled, true);
 	ret = get_value(cfg, "dplus.maxDongles", m_dplus.maxDongles, 1U, 5U, 5U) && ret;
 	ret = get_value(cfg, "dplus.login", m_dplus.login, 0, LONG_CALLSIGN_LENGTH, m_gateway.callsign, true) && ret;
+
+	m_dplus.login = CUtils::ToUpper(m_dplus.login);
+
 	return ret;
 }