diff --git a/platform/analysis-impl/src/com/intellij/codeInspection/ex/InspectionProfileWrapper.java b/platform/analysis-impl/src/com/intellij/codeInspection/ex/InspectionProfileWrapper.java
index 879631c897c8..b0e6ce3fdfd4 100644
--- a/platform/analysis-impl/src/com/intellij/codeInspection/ex/InspectionProfileWrapper.java
+++ b/platform/analysis-impl/src/com/intellij/codeInspection/ex/InspectionProfileWrapper.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.codeInspection.ex;
 
 import com.intellij.codeHighlighting.HighlightDisplayLevel;
@@ -68,7 +68,7 @@ public class InspectionProfileWrapper {
     }
   }
 
-  public boolean isToolEnabled(final HighlightDisplayKey key, PsiElement element) {
+  public boolean isToolEnabled(@Nullable HighlightDisplayKey key, PsiElement element) {
     return myProfile.isToolEnabled(key, element);
   }
 
diff --git a/spellchecker/src/com/intellij/spellchecker/ui/SpellCheckingEditorCustomization.java b/spellchecker/src/com/intellij/spellchecker/ui/SpellCheckingEditorCustomization.java
index ab696e7e0ec9..46648979dec6 100644
--- a/spellchecker/src/com/intellij/spellchecker/ui/SpellCheckingEditorCustomization.java
+++ b/spellchecker/src/com/intellij/spellchecker/ui/SpellCheckingEditorCustomization.java
@@ -141,7 +141,7 @@ public class SpellCheckingEditorCustomization extends SimpleEditorCustomization
 
     @Override
     public boolean isToolEnabled(HighlightDisplayKey key, PsiElement element) {
-      return SPELL_CHECK_TOOLS.containsKey(key.toString()) ? myUseSpellCheck : super.isToolEnabled(key, element);
+      return (key != null && SPELL_CHECK_TOOLS.containsKey(key.toString()) ? myUseSpellCheck : super.isToolEnabled(key, element));
     }
   }
 }