diff --git a/platform/core-api/src/com/intellij/util/indexing/ID.java b/platform/core-api/src/com/intellij/util/indexing/ID.java
index 2a8df58a4f73..8ae1a0ad6195 100644
--- a/platform/core-api/src/com/intellij/util/indexing/ID.java
+++ b/platform/core-api/src/com/intellij/util/indexing/ID.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.util.indexing;
 
 import com.intellij.ide.plugins.PluginUtil;
@@ -187,8 +187,9 @@ public class ID<K, V> extends IndexId<K,V> {
 
   @ApiStatus.Internal
   public synchronized static void unloadId(@NotNull ID<?, ?> id) {
-    ID<?, ?> oldID = ourIdObjects.remove(id.getName());
-    LOG.assertTrue(id.equals(oldID));
+    String name = id.getName();
+    ID<?, ?> oldID = ourIdObjects.remove(name);
+    LOG.assertTrue(id.equals(oldID), "Failed to unload: " + name);
     ourIdToPluginId.remove(id);
     ourIdToRegistrationStackTrace.remove(id);
   }