diff --git a/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForFacade.kt b/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForFacade.kt
index b090970cc38..22fff3279fb 100644
--- a/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForFacade.kt
+++ b/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForFacade.kt
@@ -200,7 +200,7 @@ class KtLightClassForFacade private constructor(
     override fun getNavigationElement() = files.iterator().next()
 
     override fun isEquivalentTo(another: PsiElement?): Boolean {
-        return another is PsiClass && Comparing.equal(another.qualifiedName, qualifiedName)
+        return another is KtLightClassForFacade && Comparing.equal(another.qualifiedName, qualifiedName)
     }
 
     override fun getElementIcon(flags: Int): Icon? = throw UnsupportedOperationException("This should be done by JetIconProvider")
diff --git a/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForSourceDeclaration.kt b/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForSourceDeclaration.kt
index c1ae4817e51..b53b83c85f5 100644
--- a/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForSourceDeclaration.kt
+++ b/compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForSourceDeclaration.kt
@@ -138,7 +138,7 @@ abstract class KtLightClassForSourceDeclaration(protected val classOrObject: KtC
     override fun getNavigationElement(): PsiElement = classOrObject
 
     override fun isEquivalentTo(another: PsiElement?): Boolean {
-        return another is PsiClass && Comparing.equal(another.qualifiedName, qualifiedName)
+        return another is KtLightClassForSourceDeclaration && Comparing.equal(another.qualifiedName, qualifiedName)
     }
 
     override fun getElementIcon(flags: Int): Icon? {
@@ -506,4 +506,4 @@ fun KtClassOrObject.defaultJavaAncestorQualifiedName(): String? {
         isInterface() -> CommonClassNames.JAVA_LANG_OBJECT // see com.intellij.psi.impl.PsiClassImplUtil.getSuperClass
         else -> CommonClassNames.JAVA_LANG_OBJECT
     }
-}
\ No newline at end of file
+}