diff --git a/src/server/game/Handlers/ChannelHandler.cpp b/src/server/game/Handlers/ChannelHandler.cpp
index c95eadc7d90..cda6e7a4efb 100644
--- a/src/server/game/Handlers/ChannelHandler.cpp
+++ b/src/server/game/Handlers/ChannelHandler.cpp
@@ -20,6 +20,8 @@
 #include "ChannelMgr.h"
 #include "Player.h"
 
+#include <cctype>
+
 void WorldSession::HandleJoinChannel(WorldPacket& recvPacket)
 {
     uint32 channelId;
@@ -45,6 +47,9 @@ void WorldSession::HandleJoinChannel(WorldPacket& recvPacket)
     if (channelName.empty())
         return;
 
+    if (isdigit(channelName[0]))
+        return;
+
     if (ChannelMgr* cMgr = ChannelMgr::forTeam(GetPlayer()->GetTeam()))
     {
         cMgr->setTeam(GetPlayer()->GetTeam());