diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt
index 12cdb528f7d..6f1c87905d0 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt
@@ -51,7 +51,8 @@ fun deserializeClassToSymbol(
         isData = Flags.IS_DATA.get(classProto.flags)
         isInline = Flags.IS_INLINE_CLASS.get(classProto.flags)
     }
-    val firClass = if (modality == Modality.SEALED) {
+    val isSealed = modality == Modality.SEALED
+    val firClass = if (isSealed) {
         FirSealedClassImpl(
             null,
             session,
@@ -131,6 +132,11 @@ fun deserializeClassToSymbol(
                 symbol.fir
             }
         )
+
+        if (isSealed) {
+            classProto.sealedSubclassFqNameList.mapTo((firClass as FirSealedClassImpl).inheritors) {
+                ClassId.fromString(nameResolver.getQualifiedClassName(it))
+            }
+        }
     }
 }
-
diff --git a/compiler/fir/resolve/testData/loadCompiledKotlin/class/SealedClass.txt b/compiler/fir/resolve/testData/loadCompiledKotlin/class/SealedClass.txt
new file mode 100644
index 00000000000..a1cea5cef8e
--- /dev/null
+++ b/compiler/fir/resolve/testData/loadCompiledKotlin/class/SealedClass.txt
@@ -0,0 +1,20 @@
+public final class Inheritor2 : R|test/SealedClass| {
+    public constructor(): R|test/Inheritor2|
+
+}
+
+public final class Inheritor3 : R|test/SealedClass| {
+    public constructor(): R|test/Inheritor3|
+
+}
+
+public sealed class SealedClass : R|kotlin/Any| {
+    private constructor(): R|test/SealedClass|
+
+    public final class Inheritor1 : R|test/SealedClass| {
+        public constructor(): R|test/SealedClass.Inheritor1|
+
+    }
+
+}
+
diff --git a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirLoadCompiledKotlinGenerated.java b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirLoadCompiledKotlinGenerated.java
index ea9ab0e8aba..caaea28e1ed 100644
--- a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirLoadCompiledKotlinGenerated.java
+++ b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirLoadCompiledKotlinGenerated.java
@@ -690,6 +690,11 @@ public class FirLoadCompiledKotlinGenerated extends AbstractFirLoadCompiledKotli
             runTest("compiler/testData/loadJava/compiledKotlin/class/RecursiveGeneric.kt");
         }
 
+        @TestMetadata("SealedClass.kt")
+        public void testSealedClass() throws Exception {
+            runTest("compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt");
+        }
+
         @TestMetadata("SingleAbstractMethod.kt")
         public void testSingleAbstractMethod() throws Exception {
             runTest("compiler/testData/loadJava/compiledKotlin/class/SingleAbstractMethod.kt");
diff --git a/compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt b/compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt
new file mode 100644
index 00000000000..fc6ef9fb6b6
--- /dev/null
+++ b/compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt
@@ -0,0 +1,9 @@
+package test
+
+class Inheritor3 : SealedClass()
+
+sealed class SealedClass {
+    class Inheritor1 : SealedClass()
+}
+
+class Inheritor2 : SealedClass()
\ No newline at end of file
diff --git a/compiler/testData/loadJava/compiledKotlin/class/SealedClass.txt b/compiler/testData/loadJava/compiledKotlin/class/SealedClass.txt
new file mode 100644
index 00000000000..0b47abf1626
--- /dev/null
+++ b/compiler/testData/loadJava/compiledKotlin/class/SealedClass.txt
@@ -0,0 +1,17 @@
+package test
+
+public final class Inheritor2 : test.SealedClass {
+    /*primary*/ public constructor Inheritor2()
+}
+
+public final class Inheritor3 : test.SealedClass {
+    /*primary*/ public constructor Inheritor3()
+}
+
+public sealed class SealedClass {
+    /*primary*/ private constructor SealedClass()
+
+    public final class Inheritor1 : test.SealedClass {
+        /*primary*/ public constructor Inheritor1()
+    }
+}
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadJavaTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadJavaTestGenerated.java
index 810f774c0b4..a527c21bc1a 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadJavaTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadJavaTestGenerated.java
@@ -2381,6 +2381,11 @@ public class LoadJavaTestGenerated extends AbstractLoadJavaTest {
                 runTest("compiler/testData/loadJava/compiledKotlin/class/RecursiveGeneric.kt");
             }
 
+            @TestMetadata("SealedClass.kt")
+            public void testSealedClass() throws Exception {
+                runTest("compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt");
+            }
+
             @TestMetadata("SingleAbstractMethod.kt")
             public void testSingleAbstractMethod() throws Exception {
                 runTest("compiler/testData/loadJava/compiledKotlin/class/SingleAbstractMethod.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadKotlinWithTypeTableTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadKotlinWithTypeTableTestGenerated.java
index 039a939a500..8b4834e7e6f 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadKotlinWithTypeTableTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/LoadKotlinWithTypeTableTestGenerated.java
@@ -690,6 +690,11 @@ public class LoadKotlinWithTypeTableTestGenerated extends AbstractLoadKotlinWith
             runTest("compiler/testData/loadJava/compiledKotlin/class/RecursiveGeneric.kt");
         }
 
+        @TestMetadata("SealedClass.kt")
+        public void testSealedClass() throws Exception {
+            runTest("compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt");
+        }
+
         @TestMetadata("SingleAbstractMethod.kt")
         public void testSingleAbstractMethod() throws Exception {
             runTest("compiler/testData/loadJava/compiledKotlin/class/SingleAbstractMethod.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/ir/IrLoadJavaTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/ir/IrLoadJavaTestGenerated.java
index 6245f252523..9856b1b3176 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/ir/IrLoadJavaTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/ir/IrLoadJavaTestGenerated.java
@@ -2381,6 +2381,11 @@ public class IrLoadJavaTestGenerated extends AbstractIrLoadJavaTest {
                 runTest("compiler/testData/loadJava/compiledKotlin/class/RecursiveGeneric.kt");
             }
 
+            @TestMetadata("SealedClass.kt")
+            public void testSealedClass() throws Exception {
+                runTest("compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt");
+            }
+
             @TestMetadata("SingleAbstractMethod.kt")
             public void testSingleAbstractMethod() throws Exception {
                 runTest("compiler/testData/loadJava/compiledKotlin/class/SingleAbstractMethod.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/javac/LoadJavaUsingJavacTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/javac/LoadJavaUsingJavacTestGenerated.java
index cb537688623..1747aab632e 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/javac/LoadJavaUsingJavacTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/javac/LoadJavaUsingJavacTestGenerated.java
@@ -2381,6 +2381,11 @@ public class LoadJavaUsingJavacTestGenerated extends AbstractLoadJavaUsingJavacT
                 runTest("compiler/testData/loadJava/compiledKotlin/class/RecursiveGeneric.kt");
             }
 
+            @TestMetadata("SealedClass.kt")
+            public void testSealedClass() throws Exception {
+                runTest("compiler/testData/loadJava/compiledKotlin/class/SealedClass.kt");
+            }
+
             @TestMetadata("SingleAbstractMethod.kt")
             public void testSingleAbstractMethod() throws Exception {
                 runTest("compiler/testData/loadJava/compiledKotlin/class/SingleAbstractMethod.kt");