diff --git a/plugins/performanceTesting/src/com/jetbrains/performancePlugin/commands/CollectFilesNotMarkedAsIndex.kt b/plugins/performanceTesting/src/com/jetbrains/performancePlugin/commands/CollectFilesNotMarkedAsIndex.kt
index 730f1b246692..830a37bdf3f5 100644
--- a/plugins/performanceTesting/src/com/jetbrains/performancePlugin/commands/CollectFilesNotMarkedAsIndex.kt
+++ b/plugins/performanceTesting/src/com/jetbrains/performancePlugin/commands/CollectFilesNotMarkedAsIndex.kt
@@ -118,10 +118,10 @@ class CollectFilesNotMarkedAsIndex(text: String, line: Int) : PerformanceCommand
             try {
               fileOrDir.contentsToByteArray()
               if (fbi.changedFilesCollector.containsFileId(fileOrDir.id)) {
-                logIndexingIssue("$fileOrDir $errorMessagePart because is changed\n")
+                logIndexingIssue("$fileOrDir (id=${fileOrDir.id}) $errorMessagePart because is changed\n")
               }
               else {
-                logIndexingIssue("$fileOrDir $errorMessagePart\n")
+                logIndexingIssue("$fileOrDir (id=${fileOrDir.id}) $errorMessagePart\n")
               }
             }
             catch (e: IOException) {