diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/actualizer/IrExpectActualAnnotationMatchingChecker.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/actualizer/IrExpectActualAnnotationMatchingChecker.kt
index 1948af60ea1..104fb3e53e5 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/actualizer/IrExpectActualAnnotationMatchingChecker.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/actualizer/IrExpectActualAnnotationMatchingChecker.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.backend.common.actualizer
 
 import org.jetbrains.kotlin.KtDiagnosticReporterWithImplicitIrBasedContext
-import org.jetbrains.kotlin.backend.common.lower.parentsWithSelf
+import org.jetbrains.kotlin.backend.common.lower.parents
 import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrDeclaration
 import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
@@ -61,7 +61,8 @@ internal class IrExpectActualAnnotationMatchingChecker(
 
     private fun getTypealiasSymbolIfActualizedViaTypealias(expectSymbol: IrSymbol): IrTypeAliasSymbol? {
         val expectDeclaration = expectSymbol.owner as IrDeclaration
-        val topLevelExpectClass = expectDeclaration.parentsWithSelf.filterIsInstance<IrClass>().lastOrNull() ?: return null
+        val parentsWithSelf = sequenceOf(expectDeclaration) + expectDeclaration.parents
+        val topLevelExpectClass = parentsWithSelf.filterIsInstance<IrClass>().lastOrNull() ?: return null
         val classId = topLevelExpectClass.classIdOrFail
         return classActualizationInfo.actualTypeAliases[classId]
     }
diff --git a/compiler/testData/diagnostics/tests/multiplatform/annotationMatching/typealias.fir.kt b/compiler/testData/diagnostics/tests/multiplatform/annotationMatching/typealias.fir.kt
index ee1e77b01ff..0ed804dfefe 100644
--- a/compiler/testData/diagnostics/tests/multiplatform/annotationMatching/typealias.fir.kt
+++ b/compiler/testData/diagnostics/tests/multiplatform/annotationMatching/typealias.fir.kt
@@ -62,10 +62,10 @@ class MethodsInsideTypealiasImpl {
 <!ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT!>actual typealias <!ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT!>MethodsInsideTypealias<!> = MethodsInsideTypealiasImpl<!>
 
 class ValueInsideTypealiasImpl {
-    <!ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT!>val value: String = ""<!>
+    val value: String = ""
 }
 
-actual typealias <!ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT!>ValueInsideTypealias<!> = ValueInsideTypealiasImpl
+<!ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT!>actual typealias <!ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT!>ValueInsideTypealias<!> = ValueInsideTypealiasImpl<!>
 
 class ConstructorInsideTypealiasImpl