diff --git a/java/compiler/impl/src/com/intellij/compiler/progress/CompilerTask.java b/java/compiler/impl/src/com/intellij/compiler/progress/CompilerTask.java
index 395a7a711398..f568f2d06364 100644
--- a/java/compiler/impl/src/com/intellij/compiler/progress/CompilerTask.java
+++ b/java/compiler/impl/src/com/intellij/compiler/progress/CompilerTask.java
@@ -463,6 +463,9 @@ public class CompilerTask extends Task.Backgroundable {
   }
 
   private void removeAllContents(Project project, Content notRemove) {
+    if (project.isDisposed()) {
+      return;
+    }
     final MessageView messageView = MessageView.SERVICE.getInstance(project);
     Content[] contents = messageView.getContentManager().getContents();
     for (Content content : contents) {