diff --git a/compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmClosureGenerationScheme.kt b/compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmClosureGenerationScheme.kt
index a03ab246059..2bc87eea62a 100644
--- a/compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmClosureGenerationScheme.kt
+++ b/compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmClosureGenerationScheme.kt
@@ -5,6 +5,8 @@
 
 package org.jetbrains.kotlin.config
 
+import org.jetbrains.kotlin.util.capitalizeDecapitalize.toLowerCaseAsciiOnly
+
 enum class JvmClosureGenerationScheme(
     val description: String,
     val minJvmTarget: JvmTarget
@@ -18,7 +20,7 @@ enum class JvmClosureGenerationScheme(
 
         @JvmStatic
         fun fromString(string: String?): JvmClosureGenerationScheme? {
-            val lowerStr = string?.toLowerCase() ?: return null
+            val lowerStr = string?.toLowerCaseAsciiOnly() ?: return null
             return values().find { it.description == lowerStr }
         }
     }