diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d1176879f5..34ce9695623 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 0.21.6
 
+* `KSP`:
+    * `Sealed`:
+        * Fixes in generation
+
 ## 0.21.5
 
 * `KSP`:
diff --git a/ksp/sealed/generator/src/main/kotlin/Processor.kt b/ksp/sealed/generator/src/main/kotlin/Processor.kt
index de653834d08..6eca44452a7 100644
--- a/ksp/sealed/generator/src/main/kotlin/Processor.kt
+++ b/ksp/sealed/generator/src/main/kotlin/Processor.kt
@@ -26,7 +26,8 @@ class Processor(
     private fun KSClassDeclaration.findSealedConnection(potentialSealedParent: KSClassDeclaration): Boolean {
         val targetClassname = potentialSealedParent.qualifiedName ?.asString()
         return superTypes.any {
-            targetClassname == ((it.resolve().declaration as? KSClassDeclaration) ?.qualifiedName ?.asString()) || (it is KSClassDeclaration && it.getSealedSubclasses().any() && it.findSealedConnection(potentialSealedParent))
+            val itAsDeclaration = it.resolve().declaration as? KSClassDeclaration ?: return@any false
+            targetClassname == (itAsDeclaration.qualifiedName ?.asString()) || (itAsDeclaration.getSealedSubclasses().any() && itAsDeclaration.findSealedConnection(potentialSealedParent))
         }
     }