diff --git a/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt b/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt
index ad70f9a0726..8816ee3069c 100644
--- a/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt
+++ b/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt
@@ -240,6 +240,8 @@ class KotlinFacetSettings {
 
     var externalProjectId: String = ""
     var isHmppEnabled: Boolean = false
+
+    var pureKotlinSourceFolders: List<String> = emptyList()
 }
 
 interface KotlinFacetSettingsProvider {
diff --git a/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt b/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt
index 92c7d934f64..900c1ad90fc 100644
--- a/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt
+++ b/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt
@@ -161,6 +161,7 @@ private fun readV2AndLaterConfig(element: Element): KotlinFacetSettings {
         isTestModule = element.getAttributeValue("isTestModule")?.toBoolean() ?: false
         externalProjectId = element.getAttributeValue("externalProjectId") ?: ""
         isHmppEnabled = element.getAttribute("isHmppProject")?.booleanValue ?: false
+        pureKotlinSourceFolders = element.getAttributeValue("pureKotlinSourceFolders")?.split(";")?.toList() ?: emptyList()
         element.getChild("compilerSettings")?.let {
             compilerSettings = CompilerSettings()
             XmlSerializer.deserializeInto(compilerSettings!!, it)
@@ -331,6 +332,9 @@ private fun KotlinFacetSettings.writeLatestConfig(element: Element) {
     if (isHmppEnabled) {
         element.setAttribute("isHmppProject", isHmppEnabled.toString())
     }
+    if (pureKotlinSourceFolders.isNotEmpty()) {
+        element.setAttribute("pureKotlinSourceFolders", pureKotlinSourceFolders.joinToString(";"))
+    }
     productionOutputPath?.let {
         if (it != (compilerArguments as? K2JSCompilerArguments)?.outputFile) {
             element.addContent(Element("productionOutputPath").apply { addContent(PathUtil.toSystemIndependentName(it)) })