diff --git a/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java b/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
index 369ad83d08b7..8889dcd72741 100644
--- a/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
+++ b/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
@@ -293,10 +293,10 @@ public class BuildManager implements Disposable {
           }
 
           if (fileIndex.isInContent(eventFile)) {
-            if (ProjectCoreUtil.isProjectOrWorkspaceFile(eventFile)) {
+            if (ProjectCoreUtil.isProjectOrWorkspaceFile(eventFile) || GeneratedSourcesFilter.isGeneratedSourceByAnyFilter(eventFile, project)) {
+              // changes in project files or generated stuff should not trigger auto-make
               continue;
             }
-
             return true;
           }
         }