diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPropertyImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPropertyImpl.kt
index 8d1525411ac..9c8590b6685 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPropertyImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPropertyImpl.kt
@@ -48,7 +48,7 @@ internal abstract class KPropertyImpl<out V> private constructor(
 
     override val isBound: Boolean get() = rawBoundReceiver != CallableReference.NO_RECEIVER
 
-    private val _javaField = ReflectProperties.lazy {
+    private val _javaField: ReflectProperties.LazyVal<Field?> = ReflectProperties.lazy {
         val jvmSignature = RuntimeTypeMapper.mapPropertySignature(descriptor)
         when (jvmSignature) {
             is KotlinProperty -> {