diff --git a/java_console/io/src/main/java/com/rusefi/io/DoubleCallbacks.java b/java_console/io/src/main/java/com/rusefi/io/DoubleCallbacks.java
new file mode 100644
index 0000000000..e3af7b07a2
--- /dev/null
+++ b/java_console/io/src/main/java/com/rusefi/io/DoubleCallbacks.java
@@ -0,0 +1,29 @@
+package com.rusefi.io;
+
+public class DoubleCallbacks implements UpdateOperationCallbacks {
+    private final UpdateOperationCallbacks one;
+    private final UpdateOperationCallbacks two;
+
+    public DoubleCallbacks(UpdateOperationCallbacks one, UpdateOperationCallbacks two) {
+        this.one = one;
+        this.two = two;
+    }
+
+    @Override
+    public void log(String message, boolean breakLineOnTextArea, boolean sendToLogger) {
+        one.log(message, breakLineOnTextArea, sendToLogger);
+        two.log(message, breakLineOnTextArea, sendToLogger);
+    }
+
+    @Override
+    public void done() {
+        one.done();
+        two.done();
+    }
+
+    @Override
+    public void error() {
+        one.error();
+        two.error();
+    }
+}
diff --git a/java_console/io/src/main/java/com/rusefi/io/UpdateOperationCallbacks.java b/java_console/io/src/main/java/com/rusefi/io/UpdateOperationCallbacks.java
index c834f35f64..b4777c17d7 100644
--- a/java_console/io/src/main/java/com/rusefi/io/UpdateOperationCallbacks.java
+++ b/java_console/io/src/main/java/com/rusefi/io/UpdateOperationCallbacks.java
@@ -18,7 +18,7 @@ public interface UpdateOperationCallbacks {
     void done();
     void error();
 
-    class UpdateOperationDummy implements UpdateOperationCallbacks {
+    UpdateOperationCallbacks DUMMY = new UpdateOperationCallbacks() {
         @Override
         public void log(final String message, final boolean breakLineOnTextArea, boolean sendToLogger) {
         }
@@ -30,7 +30,5 @@ public interface UpdateOperationCallbacks {
         @Override
         public void error() {
         }
-    }
-
-    UpdateOperationCallbacks DUMMY = new UpdateOperationDummy();
+    };
 }