diff -r d9073c13dc98 -r 37db42ad451a sources/network/rconsession.cpp
--- a/sources/network/rconsession.cpp	Wed Jul 20 15:03:37 2016 +0300
+++ b/sources/network/rconsession.cpp	Wed Jul 20 17:56:40 2016 +0300
@@ -367,7 +367,7 @@
 //
 bool RCONSession::send_command (const String& message)
 {
-	if (m_state != RCON_CONNECTED or message.is_empty())
+	if (m_state != RCON_CONNECTED or message.isEmpty())
 		return false;
 
 	Bytestream packet;