diff --git a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/NativeTestGroupingMessageCollector.kt b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/NativeTestGroupingMessageCollector.kt
index 234eb50b11b..67174248ddd 100644
--- a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/NativeTestGroupingMessageCollector.kt
+++ b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/NativeTestGroupingMessageCollector.kt
@@ -123,7 +123,7 @@ internal class NativeTestGroupingMessageCollector(
         private const val PRE_RELEASE_WARNING_PREFIX = "Following manually enabled features will force generation of pre-release binaries: "
         private const val UNSAFE_COMPILER_ARGS_WARNING_PREFIX = "ATTENTION!\nThis build uses unsafe internal compiler arguments:\n\n"
         private const val LIBRARY_INCLUDED_MORE_THAN_ONCE_WARNING_PREFIX = "library included more than once: "
-        private const val K2_NATIVE_EXPERIMENTAL_WARNING_PREFIX = "New compiler pipeline K2 is experimental in Kotlin/Native."
+        private const val K2_NATIVE_EXPERIMENTAL_WARNING_PREFIX = "Language version 2.0 is experimental"
         private val PARTIAL_LINKAGE_WARNING_REGEX = Regex(".+ uses unlinked symbols(:.*)?")
 
         private fun parseLanguageFeatureArg(arg: String): String? =
diff --git a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/TestCompilation.kt b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/TestCompilation.kt
index 375ca5177f2..44d87a5f6c9 100644
--- a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/TestCompilation.kt
+++ b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/compilation/TestCompilation.kt
@@ -143,7 +143,7 @@ internal abstract class SourceBasedCompilation<A : TestCompilationArtifact>(
         sanitizer.compilerFlag?.let { compilerFlag -> add(compilerFlag) }
         gcType.compilerFlag?.let { compilerFlag -> add(compilerFlag) }
         gcScheduler.compilerFlag?.let { compilerFlag -> add(compilerFlag) }
-        pipelineType.compilerFlag?.let { compilerFlag -> add(compilerFlag) }
+        pipelineType.compilerFlags.forEach { compilerFlag -> add(compilerFlag) }
     }
 
     override fun applyDependencies(argsBuilder: ArgsBuilder): Unit = with(argsBuilder) {
diff --git a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/settings/TestProcessSettings.kt b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/settings/TestProcessSettings.kt
index 6a855c54cd1..737de1d461c 100644
--- a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/settings/TestProcessSettings.kt
+++ b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/settings/TestProcessSettings.kt
@@ -239,9 +239,9 @@ internal sealed interface CacheMode {
     }
 }
 
-internal enum class PipelineType(val compilerFlag: String?) {
-    K1(null),
-    K2("-Xuse-k2");
+internal enum class PipelineType(val compilerFlags: List<String>) {
+    K1(emptyList()),
+    K2(listOf("-language-version", "2.0"));
 
-    override fun toString() = compilerFlag?.let { "($it)" }.orEmpty()
+    override fun toString() = if (compilerFlags.isEmpty()) "" else compilerFlags.joinToString(prefix = "(", postfix = ")", separator = " ")
 }