diff --git a/kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/IntrinsicType.kt b/kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/IntrinsicType.kt
index 0b07f36129b..f284ebf8d22 100644
--- a/kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/IntrinsicType.kt
+++ b/kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/IntrinsicType.kt
@@ -1,6 +1,6 @@
 package kotlin.native.internal
 
-class IntrinsicType {
+internal class IntrinsicType {
     companion object {
         // Arithmetic
         const val PLUS                  = "PLUS"