diff --git a/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/HTTP/HTTPRequest.cpp b/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/HTTP/HTTPRequest.cpp
index 46e6e73f33b..84bdda67ddc 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/HTTP/HTTPRequest.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/HTTP/HTTPRequest.cpp
@@ -261,6 +261,10 @@ void HTTPRequest::PlatformStartRequest()
 		curl_easy_setopt(m_pCURL, CURLOPT_SSL_VERIFYHOST, 0);
 #endif
 
+		// Explicitly set supported elliptic curves for Schannel to prevent division by zero
+		// in CTlsExtServer::ParseEllipticCurveExtension when using libcurl 8.6.0 with Schannel
+		curl_easy_setopt(m_pCURL, CURLOPT_SSL_EC_CURVES, "X25519:P-256:P-384:P-521");
+
 		
 	}
 }
diff --git a/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/OnlineServices_RoomsInterface.cpp b/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/OnlineServices_RoomsInterface.cpp
index 11f938ecf16..1be6e907465 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/OnlineServices_RoomsInterface.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameNetwork/GeneralsOnline/OnlineServices_RoomsInterface.cpp
@@ -88,6 +88,11 @@ void WebSocket::Connect(const char* url, bool bIsReconnect, std::function<void(v
 		curl_easy_setopt(m_pCurlWS, CURLOPT_SSL_VERIFYPEER, 0);
 		curl_easy_setopt(m_pCurlWS, CURLOPT_SSL_VERIFYHOST, 0);
 #endif
+
+		// Explicitly set supported elliptic curves for Schannel to prevent division by zero
+		// in CTlsExtServer::ParseEllipticCurveExtension when using libcurl 8.6.0 with Schannel
+		curl_easy_setopt(m_pCurlWS, CURLOPT_SSL_EC_CURVES, "X25519:P-256:P-384:P-521");
+
 
 
 		// ws needs auth
@@ -1361,4 +1366,4 @@ void NGMP_OnlineServices_RoomsInterface::OnRosterUpdated(std::vector<std::string
 	{
 		m_RosterNeedsRefreshCallback();
 	}
-}
+}