diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InlineConstructorsTransformation.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InlineConstructorsTransformation.kt
index e31cc602eea..612a53857de 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InlineConstructorsTransformation.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InlineConstructorsTransformation.kt
@@ -41,8 +41,8 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
 
 internal class InlineConstructorsTransformation(val context: Context): IrElementTransformerVoidWithContext() {
 
-    private val deserializer = DeserializerDriver(context)
-    val substituteMap = mutableMapOf<ValueDescriptor, IrExpression>()
+    private val deserializer      by lazy { DeserializerDriver(context) }
+    private val substituteMap     by lazy { mutableMapOf<ValueDescriptor, IrExpression>() }
     private val inlineConstructor by lazy { FqName("konan.internal.InlineConstructor") }
 
     //-------------------------------------------------------------------------//