Core/Channel: Fix CRT Debug Assert triggered with invalid channel names

2 files changed, 2 insertions, 2 deletions

diff --git a/src/server/game/Handlers/ChannelHandler.cpp b/src/server/game/Handlers/ChannelHandler.cpp
index d78db9d8bb7..be163d343cc 100644
--- a/src/server/game/Handlers/ChannelHandler.cpp
+++ b/src/server/game/Handlers/ChannelHandler.cpp
@@ -49,7 +49,7 @@ void WorldSession::HandleJoinChannel(WorldPacket& recvPacket)
             return;
     }
 
-    if (channelName.empty() || isdigit(channelName[0]))
+    if (channelName.empty() || isdigit((unsigned char)channelName[0]))
     {
         WorldPacket data(SMSG_CHANNEL_NOTIFY, 1 + channelName.size());
         data << uint8(CHAT_INVALID_NAME_NOTICE) << channelName;
diff --git a/src/server/scripts/Commands/cs_modify.cpp b/src/server/scripts/Commands/cs_modify.cpp
index 1c52b386901..8a669557f83 100644
--- a/src/server/scripts/Commands/cs_modify.cpp
+++ b/src/server/scripts/Commands/cs_modify.cpp
@@ -728,7 +728,7 @@ public:
             return false;
 
         amount = atoi(rankTxt);
-        if ((amount == 0) && (rankTxt[0] != '-') && !isdigit(rankTxt[0]))
+        if ((amount == 0) && (rankTxt[0] != '-') && !isdigit((unsigned char)rankTxt[0]))
         {
             std::string rankStr = rankTxt;
             std::wstring wrankStr;