diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyValueParameter.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyValueParameter.kt
index f094fd53974..540fe49dc78 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyValueParameter.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyValueParameter.kt
@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.util.DeclarationStubGenerator
 import org.jetbrains.kotlin.ir.util.TypeTranslator
 import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.types.KotlinType
 
 @OptIn(ObsoleteDescriptorBasedAPI::class)
 class IrLazyValueParameter(
@@ -27,8 +28,8 @@ class IrLazyValueParameter(
     override val descriptor: ValueParameterDescriptor,
     override val name: Name,
     override val index: Int,
-    override var type: IrType,
-    override var varargElementType: IrType?,
+    kotlinType: KotlinType,
+    varargElementKotlinType: KotlinType?,
     override val isCrossinline: Boolean,
     override val isNoinline: Boolean,
     override val isHidden: Boolean,
@@ -42,6 +43,14 @@ class IrLazyValueParameter(
 
     override var annotations: List<IrConstructorCall> by createLazyAnnotations()
 
+    override var type: IrType by lazyVar(stubGenerator.lock) {
+        kotlinType.toIrType()
+    }
+
+    override var varargElementType: IrType? by lazyVar(stubGenerator.lock) {
+        varargElementKotlinType?.toIrType()
+    }
+
     init {
         symbol.bind(this)
     }
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt
index 307cb0f5a66..4f22b67cffc 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt
@@ -236,7 +236,7 @@ abstract class DeclarationStubGenerator(
     internal fun generateValueParameterStub(descriptor: ValueParameterDescriptor, index: Int): IrValueParameter = with(descriptor) {
         IrLazyValueParameter(
             UNDEFINED_OFFSET, UNDEFINED_OFFSET, computeOrigin(this), IrValueParameterSymbolImpl(this), this, name, index,
-            type.toIrType(), varargElementType?.toIrType(),
+            type, varargElementType,
             isCrossinline = isCrossinline, isNoinline = isNoinline, isHidden = false, isAssignable = false,
             stubGenerator = this@DeclarationStubGenerator, typeTranslator = typeTranslator
         ).also { irValueParameter ->