diff --git a/internal/util-logging/src/main/scala/sbt/internal/util/JLine3.scala b/internal/util-logging/src/main/scala/sbt/internal/util/JLine3.scala
index 27e4a8ddb..a80d81410 100644
--- a/internal/util-logging/src/main/scala/sbt/internal/util/JLine3.scala
+++ b/internal/util-logging/src/main/scala/sbt/internal/util/JLine3.scala
@@ -16,7 +16,7 @@ import org.jline.utils.{ ClosedException, NonBlockingReader }
 import org.jline.terminal.{ Attributes, Size, Terminal => JTerminal }
 import org.jline.terminal.Attributes.{ InputFlag, LocalFlag }
 import org.jline.terminal.Terminal.SignalHandler
-import org.jline.terminal.impl.AbstractTerminal
+import org.jline.terminal.impl.{ AbstractTerminal, DumbTerminal }
 import org.jline.terminal.impl.jansi.JansiSupportImpl
 import org.jline.terminal.impl.jansi.win.JansiWinSysTerminal
 import org.jline.utils.OSUtils
@@ -73,6 +73,11 @@ private[sbt] object JLine3 {
     term
   }
   private[sbt] def apply(term: Terminal): JTerminal = {
+    if (System.getProperty("jline.terminal", "") == "none")
+      new DumbTerminal(term.inputStream, term.outputStream)
+    else wrapTerminal(term)
+  }
+  private[this] def wrapTerminal(term: Terminal): JTerminal = {
     new AbstractTerminal(
       term.name,
       "nocapabilities",
diff --git a/internal/util-logging/src/main/scala/sbt/internal/util/Terminal.scala b/internal/util-logging/src/main/scala/sbt/internal/util/Terminal.scala
index 4c6d48a5d..0c336fa2d 100644
--- a/internal/util-logging/src/main/scala/sbt/internal/util/Terminal.scala
+++ b/internal/util-logging/src/main/scala/sbt/internal/util/Terminal.scala
@@ -486,7 +486,7 @@ object Terminal {
         val _ = readQueue.take
         val b = in.read
         buffer.put(b)
-        if (Thread.interrupted() || (b != -1 && !isRaw.get)) closed.set(true)
+        if (Thread.interrupted() || (b == -1 && isRaw.get)) closed.set(true)
         else impl()
       }
       try impl()
@@ -596,9 +596,12 @@ object Terminal {
   private[sbt] trait SimpleInputStream extends InputStream {
     override def read(b: Array[Byte]): Int = read(b, 0, b.length)
     override def read(b: Array[Byte], off: Int, len: Int): Int = {
-      val byte = read()
-      b(off) = byte.toByte
-      1
+      read() match {
+        case -1 => -1
+        case byte =>
+          b(off) = byte.toByte
+          1
+      }
     }
   }
   private[this] object proxyInputStream extends SimpleInputStream {
diff --git a/main-command/src/main/scala/sbt/internal/client/NetworkClient.scala b/main-command/src/main/scala/sbt/internal/client/NetworkClient.scala
index aa3718717..2b76b1205 100644
--- a/main-command/src/main/scala/sbt/internal/client/NetworkClient.scala
+++ b/main-command/src/main/scala/sbt/internal/client/NetworkClient.scala
@@ -934,12 +934,9 @@ class NetworkClient(
     val stopped = new AtomicBoolean(false)
     override final def run(): Unit = {
       def read(): Unit = {
-        inputStream.read match {
-          case -1 =>
-          case b =>
-            inLock.synchronized(stdinBytes.offer(b))
-            if (attached.get()) drain()
-        }
+        val b = inputStream.read
+        inLock.synchronized(stdinBytes.offer(b))
+        if (attached.get()) drain()
       }
       try read()
       catch { case _: InterruptedException | NonFatal(_) => stopped.set(true) } finally {
diff --git a/main/src/main/scala/sbt/internal/server/NetworkChannel.scala b/main/src/main/scala/sbt/internal/server/NetworkChannel.scala
index 2e4cec4c0..5168b55bf 100644
--- a/main/src/main/scala/sbt/internal/server/NetworkChannel.scala
+++ b/main/src/main/scala/sbt/internal/server/NetworkChannel.scala
@@ -11,7 +11,6 @@ package server
 
 import java.io.{ IOException, InputStream, OutputStream }
 import java.net.{ Socket, SocketTimeoutException }
-import java.nio.channels.ClosedChannelException
 import java.util.concurrent.{
   ConcurrentHashMap,
   Executors,
@@ -85,7 +84,7 @@ final class NetworkChannel(
   private var initialized = false
   private val pendingRequests: mutable.Map[String, JsonRpcRequestMessage] = mutable.Map()
 
-  private[this] val inputBuffer = new LinkedBlockingQueue[Byte]()
+  private[this] val inputBuffer = new LinkedBlockingQueue[Int]()
   private[this] val pendingWrites = new LinkedBlockingQueue[(Array[Byte], Boolean)]()
   private[this] val attached = new AtomicBoolean(false)
   private[this] val alive = new AtomicBoolean(true)
@@ -107,7 +106,7 @@ final class NetworkChannel(
     interactive.set(true)
     jsonRpcNotify(promptChannel, "")
   }
-  private[sbt] def write(byte: Byte) = inputBuffer.add(byte)
+  private[sbt] def write(byte: Byte) = inputBuffer.add(byte.toInt)
 
   private[this] val terminalHolder = new AtomicReference[Terminal](Terminal.NullTerminal)
   override private[sbt] def terminal: Terminal = terminalHolder.get
@@ -634,15 +633,12 @@ final class NetworkChannel(
     )
   }
 
-  private[this] lazy val inputStream: InputStream = new InputStream {
+  private[this] lazy val inputStream: InputStream = new Terminal.SimpleInputStream {
     override def read(): Int = {
       import sjsonnew.BasicJsonProtocol._
       try {
         jsonRpcNotify(readSystemIn, "")
-        inputBuffer.take & 0xFF match {
-          case -1 => throw new ClosedChannelException()
-          case b  => b
-        }
+        inputBuffer.take
       } catch {
         case e: IOException =>
           try jsonRpcNotify(cancelReadSystemIn, "")