diff --git a/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/CodeUtils.kt b/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/CodeUtils.kt
index 663772b9627..35677719d03 100644
--- a/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/CodeUtils.kt
+++ b/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/CodeUtils.kt
@@ -19,7 +19,9 @@ package org.jetbrains.kotlin.native.interop.gen
 val kotlinKeywords = setOf(
         "as", "break", "class", "continue", "do", "dynamic", "else", "false", "for", "fun", "if", "in",
         "interface", "is", "null", "object", "package", "return", "super", "this", "throw",
-        "true", "try", "typealias", "val", "var", "when", "while"
+        "true", "try", "typealias", "val", "var", "when", "while",
+        // While not technically keywords, those shall be escaped as well.
+        "_", "__", "___"
 )
 
 /**