diff --git a/plugins/kotlinx-serialization/testData/firMembers/serializableWith.fir.txt b/plugins/kotlinx-serialization/testData/firMembers/serializableWith.fir.txt
new file mode 100644
index 00000000000..92c6cd67c98
--- /dev/null
+++ b/plugins/kotlinx-serialization/testData/firMembers/serializableWith.fir.txt
@@ -0,0 +1,93 @@
+FILE: serializableWith.kt
+    public final object IntHolderAsStringSerializer : R|kotlinx/serialization/KSerializer<IntHolder>| {
+        private constructor(): R|IntHolderAsStringSerializer| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final override val descriptor: R|kotlinx/serialization/descriptors/SerialDescriptor| = R|kotlinx/serialization/descriptors/PrimitiveSerialDescriptor|(String(IntHolder), Q|kotlinx/serialization/descriptors/PrimitiveKind.STRING|)
+            public get(): R|kotlinx/serialization/descriptors/SerialDescriptor|
+
+        public final override fun serialize(encoder: R|kotlinx/serialization/encoding/Encoder|, value: R|IntHolder|): R|kotlin/Unit| {
+            R|<local>/encoder|.R|kotlinx/serialization/encoding/Encoder.encodeString|(R|<local>/value|.R|/IntHolder.value|.R|kotlin/Int.toString|())
+        }
+
+        public final override fun deserialize(decoder: R|kotlinx/serialization/encoding/Decoder|): R|IntHolder| {
+            lval string: R|kotlin/String| = R|<local>/decoder|.R|kotlinx/serialization/encoding/Decoder.decodeString|()
+            ^deserialize R|/IntHolder.IntHolder|(R|<local>/string|.R|kotlin/text/toInt|())
+        }
+
+    }
+    public final object ObjectSerializer : R|kotlinx/serialization/KSerializer<SerializableObject>| {
+        private constructor(): R|ObjectSerializer| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final override val descriptor: R|kotlinx/serialization/descriptors/SerialDescriptor| = R|kotlinx/serialization/descriptors/PrimitiveSerialDescriptor|(String(SerializableObject), Q|kotlinx/serialization/descriptors/PrimitiveKind.STRING|)
+            public get(): R|kotlinx/serialization/descriptors/SerialDescriptor|
+
+        public final override fun serialize(encoder: R|kotlinx/serialization/encoding/Encoder|, value: R|SerializableObject|): R|kotlin/Unit| {
+            R|<local>/encoder|.R|kotlinx/serialization/encoding/Encoder.encodeString|(String(obj))
+        }
+
+        public final override fun deserialize(decoder: R|kotlinx/serialization/encoding/Decoder|): R|SerializableObject| {
+            R|<local>/decoder|.R|kotlinx/serialization/encoding/Decoder.decodeString|()
+            ^deserialize Q|SerializableObject|
+        }
+
+    }
+    @R|kotlinx/serialization/Serializable|(with = <getClass>(Q|IntHolderAsStringSerializer|)) public final class IntHolder : R|kotlin/Any| {
+        public constructor(value: R|kotlin/Int|): R|IntHolder| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final val value: R|kotlin/Int| = R|<local>/value|
+            public get(): R|kotlin/Int|
+
+        public final companion object Companion : R|kotlin/Any| {
+            public final fun serializer(): R|kotlinx/serialization/KSerializer<IntHolder>|
+
+            private constructor(): R|IntHolder.Companion|
+
+        }
+
+    }
+    @R|kotlinx/serialization/Serializable|(with = <getClass>(Q|ObjectSerializer|)) public final object SerializableObject : R|kotlin/Any| {
+        private constructor(): R|SerializableObject| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final fun serializer(): R|kotlinx/serialization/KSerializer<SerializableObject>|
+
+    }
+    public final fun box(): R|kotlin/String| {
+        lval holder: R|IntHolder| = R|/IntHolder.IntHolder|(Int(42))
+        lval encoded: R|kotlin/String| = Q|kotlinx/serialization/json/Json|.R|kotlinx/serialization/json/Json.encodeToString|<R|IntHolder|>(Q|IntHolder|.R|/IntHolder.Companion.serializer|(), R|<local>/holder|)
+        when () {
+            !=(R|<local>/encoded|, String("42")) ->  {
+                ^box R|<local>/encoded|
+            }
+        }
+
+        lval decoded: R|IntHolder| = Q|kotlinx/serialization/json/Json|.R|kotlinx/serialization/json/Json.decodeFromString|<R|IntHolder|>(Q|IntHolder|.R|/IntHolder.Companion.serializer|(), R|<local>/encoded|)
+        when () {
+            !=(R|<local>/decoded|.R|/IntHolder.value|, R|<local>/holder|.R|/IntHolder.value|) ->  {
+                ^box String(Incorrect value)
+            }
+        }
+
+        lval encodedObject: R|kotlin/String| = Q|kotlinx/serialization/json/Json|.R|kotlinx/serialization/json/Json.encodeToString|<R|SerializableObject|>(Q|SerializableObject|.R|/SerializableObject.serializer|(), Q|SerializableObject|)
+        when () {
+            !=(R|<local>/encodedObject|, String("obj")) ->  {
+                ^box R|<local>/encodedObject|
+            }
+        }
+
+        lval decodedObject: R|SerializableObject| = Q|kotlinx/serialization/json/Json|.R|kotlinx/serialization/json/Json.decodeFromString|<R|SerializableObject|>(Q|SerializableObject|.R|/SerializableObject.serializer|(), R|<local>/encodedObject|)
+        when () {
+            !=(R|<local>/decodedObject|, Q|SerializableObject|) ->  {
+                ^box String(Incorrect object instance)
+            }
+        }
+
+        ^box String(OK)
+    }
diff --git a/plugins/kotlinx-serialization/testData/firMembers/serializableWith.kt b/plugins/kotlinx-serialization/testData/firMembers/serializableWith.kt
new file mode 100644
index 00000000000..07230296738
--- /dev/null
+++ b/plugins/kotlinx-serialization/testData/firMembers/serializableWith.kt
@@ -0,0 +1,56 @@
+// WITH_STDLIB
+
+import kotlinx.serialization.*
+import kotlinx.serialization.json.*
+import kotlinx.serialization.encoding.*
+import kotlinx.serialization.descriptors.*
+
+
+object IntHolderAsStringSerializer : KSerializer<IntHolder> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("IntHolder", PrimitiveKind.STRING)
+
+    override fun serialize(encoder: Encoder, value: IntHolder) {
+        encoder.encodeString(value.value.toString())
+    }
+
+    override fun deserialize(decoder: Decoder): IntHolder {
+        val string = decoder.decodeString()
+        return IntHolder(string.toInt())
+    }
+}
+
+object ObjectSerializer : KSerializer<SerializableObject> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("SerializableObject", PrimitiveKind.STRING)
+
+    override fun serialize(encoder: Encoder, value: SerializableObject) {
+        encoder.encodeString("obj")
+    }
+
+    override fun deserialize(decoder: Decoder): SerializableObject {
+        decoder.decodeString()
+        return SerializableObject
+    }
+}
+
+@Serializable(with = IntHolderAsStringSerializer::class)
+class IntHolder(val value: Int)
+
+@Serializable(with = ObjectSerializer::class)
+object SerializableObject
+
+fun box(): String {
+    val holder = IntHolder(42)
+
+    val encoded = Json.encodeToString(IntHolder.serializer(), holder)
+    if (encoded != "\"42\"") return encoded
+    val decoded = Json.decodeFromString(IntHolder.serializer(), encoded)
+    if (decoded.value != holder.value) return "Incorrect value"
+
+    val encodedObject = Json.encodeToString(SerializableObject.serializer(), SerializableObject)
+    if (encodedObject != "\"obj\"") return encodedObject
+    val decodedObject = Json.decodeFromString(SerializableObject.serializer(), encodedObject)
+    if (decodedObject != SerializableObject) return "Incorrect object instance"
+
+
+    return "OK"
+}
diff --git a/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirBlackBoxTestGenerated.java b/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirBlackBoxTestGenerated.java
index 073e836120b..22483070c47 100644
--- a/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirBlackBoxTestGenerated.java
+++ b/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirBlackBoxTestGenerated.java
@@ -144,5 +144,11 @@ public class SerializationFirBlackBoxTestGenerated extends AbstractSerialization
         public void testSerializableObject() throws Exception {
             runTest("plugins/kotlinx-serialization/testData/firMembers/serializableObject.kt");
         }
+
+        @Test
+        @TestMetadata("serializableWith.kt")
+        public void testSerializableWith() throws Exception {
+            runTest("plugins/kotlinx-serialization/testData/firMembers/serializableWith.kt");
+        }
     }
 }
diff --git a/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirDiagnosticTestGenerated.java b/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirDiagnosticTestGenerated.java
index a5b89402cb2..736babbe2fe 100644
--- a/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirDiagnosticTestGenerated.java
+++ b/plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirDiagnosticTestGenerated.java
@@ -191,5 +191,11 @@ public class SerializationFirDiagnosticTestGenerated extends AbstractSerializati
         public void testSerializableObject() throws Exception {
             runTest("plugins/kotlinx-serialization/testData/firMembers/serializableObject.kt");
         }
+
+        @Test
+        @TestMetadata("serializableWith.kt")
+        public void testSerializableWith() throws Exception {
+            runTest("plugins/kotlinx-serialization/testData/firMembers/serializableWith.kt");
+        }
     }
 }