diff --git a/headless-services/boot-java-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java b/headless-services/boot-java-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java
index 6ee0c0e7d..2e75e79f0 100644
--- a/headless-services/boot-java-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java
+++ b/headless-services/boot-java-language-server/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexer.java
@@ -150,7 +150,7 @@ public class SpringIndexer {
 						}, "Spring Annotation Index Update Worker");
 						updateWorker.start();
 
-						System.err.println("update worker STARTED: #" + updateWorker.getId() + " - " + updateWorker.toString());
+						Log.log("update worker STARTED: #" + updateWorker.getId() + " - " + updateWorker.toString());
 
 						initializing.set(false);
 					}
@@ -185,8 +185,7 @@ public class SpringIndexer {
 			if (updateWorker != null && updateWorker.isAlive()) {
 				updateWorker.interrupt();
 
-				System.err.println("update worker INTERRUPPTED: #" + updateWorker.getId() + " - " + updateWorker.toString());
-
+				Log.log("update worker INTERRUPPTED: #" + updateWorker.getId() + " - " + updateWorker.toString());
 			}
 
 			if (server.getProjectObserver() != null) {