diff --git a/arduino-core/src/cc/arduino/Compiler.java b/arduino-core/src/cc/arduino/Compiler.java
index 10401105b..268a481a8 100644
--- a/arduino-core/src/cc/arduino/Compiler.java
+++ b/arduino-core/src/cc/arduino/Compiler.java
@@ -207,10 +207,10 @@ public class Compiler implements MessageConsumer {
 
     CompileResult result;
     try {
-      MessageConsumerOutputStream out = new MessageConsumerOutputStream(new ProgressAwareMessageConsumer(new I18NAwareMessageConsumer(System.out, System.err), progListeners), "\n");
+      MessageConsumerOutputStream out = new MessageConsumerOutputStream(new I18NAwareMessageConsumer(System.out, System.err), "\n");
       MessageConsumerOutputStream err = new MessageConsumerOutputStream(new I18NAwareMessageConsumer(System.err, this), "\n");
 
-      result = core.compile(req.build(), out, err);
+      result = core.compile(req.build(), out, err, progListeners);
 
       out.flush();
       err.flush();
@@ -221,7 +221,7 @@ public class Compiler implements MessageConsumer {
     if (exception != null)
       throw exception;
 
-    if (result == CompileResult.error) {
+    if (result == CompileResult.compile_error) {
       RunnerException re = new RunnerException(I18n.format(tr("Error compiling for board {0}."), board.getName()));
       re.hideStackTrace();
       throw re;
diff --git a/arduino-core/src/cc/arduino/cli/ArduinoCoreInstance.java b/arduino-core/src/cc/arduino/cli/ArduinoCoreInstance.java
index 1ae28e3f1..523cafd1e 100644
--- a/arduino-core/src/cc/arduino/cli/ArduinoCoreInstance.java
+++ b/arduino-core/src/cc/arduino/cli/ArduinoCoreInstance.java
@@ -39,6 +39,7 @@ import java.util.List;
 
 import com.google.protobuf.ByteString;
 
+import cc.arduino.CompilerProgressListener;
 import cc.arduino.cli.commands.ArduinoCoreGrpc.ArduinoCoreBlockingStub;
 import cc.arduino.cli.commands.Board.BoardDetailsReq;
 import cc.arduino.cli.commands.Board.BoardDetailsResp;
@@ -91,14 +92,14 @@ public class ArduinoCoreInstance {
     }
   }
 
-  public CompileResult compile(CompileReq req, OutputStream out,
-                               OutputStream err) throws StatusException {
+  public CompileResult compile(CompileReq req, OutputStream out, OutputStream err,
+                               List<CompilerProgressListener> progressListeners) throws StatusException {
     req = CompileReq.newBuilder(req) //
         .setInstance(instance) //
         .build();
     try {
       Iterator<CompileResp> stream = stub.compile(req);
-      CompileResult result = CompileResult.error;
+      CompileResult result = CompileResult.compile_error;
       while (stream.hasNext()) {
         CompileResp resp = stream.next();
         try {
@@ -108,6 +109,13 @@ public class ArduinoCoreInstance {
           ByteString errdata = resp.getErrStream();
           if (errdata != null)
             err.write(errdata.toByteArray());
+          TaskProgress taskProgress = resp.getTaskProgress();
+          if (taskProgress != null) {
+            float progress = taskProgress.getPercentCompleted();
+            if (progress > 0) {
+              progressListeners.forEach(l -> l.progress((int) progress));
+            }
+          }
         } catch (IOException e) {
           e.printStackTrace();
         }