diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/inheritance/SuperClassHasFrequentlyUsedInheritorsInspection.java b/java/java-analysis-impl/src/com/intellij/codeInspection/inheritance/SuperClassHasFrequentlyUsedInheritorsInspection.java index b8a838a1854a..79901ed1c3e3 100644 --- a/java/java-analysis-impl/src/com/intellij/codeInspection/inheritance/SuperClassHasFrequentlyUsedInheritorsInspection.java +++ b/java/java-analysis-impl/src/com/intellij/codeInspection/inheritance/SuperClassHasFrequentlyUsedInheritorsInspection.java @@ -95,11 +95,12 @@ public class SuperClassHasFrequentlyUsedInheritorsInspection extends BaseJavaBat if (extendsList != null) { final PsiJavaCodeReferenceElement[] referenceElements = extendsList.getReferenceElements(); if (referenceElements.length == 1) { - PsiClass returnClass = (PsiClass)referenceElements[0].resolve(); - if (returnClass != null && - !CommonClassNames.JAVA_LANG_OBJECT.equals(returnClass.getQualifiedName()) && - !returnClass.isInterface()) { - return returnClass; + final PsiElement resolved = referenceElements[0].resolve(); + if (resolved instanceof PsiClass) { + PsiClass returnClass = (PsiClass)resolved; + if (!CommonClassNames.JAVA_LANG_OBJECT.equals(returnClass.getQualifiedName()) && !returnClass.isInterface()) { + return returnClass; + } } } }