diff --git a/main/src/main/scala/sbt/internal/server/NetworkChannel.scala b/main/src/main/scala/sbt/internal/server/NetworkChannel.scala
index 80bb9dc19..ef725abff 100644
--- a/main/src/main/scala/sbt/internal/server/NetworkChannel.scala
+++ b/main/src/main/scala/sbt/internal/server/NetworkChannel.scala
@@ -613,7 +613,7 @@ final class NetworkChannel(
   def logMessage(level: String, message: String): Unit = {
     import sbt.internal.langserver.codec.JsonProtocol._
     jsonRpcNotify(
-      "window/logMessage",
+      "build/logMessage",
       LogMessageParams(MessageType.fromLevelString(level), message)
     )
   }