diff --git a/platform/platform-impl/src/com/intellij/openapi/ui/validation/validations.kt b/platform/platform-impl/src/com/intellij/openapi/ui/validation/validations.kt
index b43786bd3b6b..dda174746c72 100644
--- a/platform/platform-impl/src/com/intellij/openapi/ui/validation/validations.kt
+++ b/platform/platform-impl/src/com/intellij/openapi/ui/validation/validations.kt
@@ -7,8 +7,10 @@ import com.intellij.openapi.project.Project
 import com.intellij.openapi.project.rootManager
 import com.intellij.ui.UIBundle
 import java.io.IOException
+import java.nio.file.Files
 import java.nio.file.InvalidPathException
 import java.nio.file.Path
+import java.nio.file.Paths
 
 val CHECK_NON_EMPTY: DialogValidation.WithParameter<() -> String> = validationErrorIf<String>(UIBundle.message("kotlin.dsl.validation.missing.value")) { it.isEmpty() }
 
@@ -28,8 +30,9 @@ val CHECK_NAME_FORMAT: DialogValidation.WithParameter<() -> String> = validation
 }
 
 val CHECK_NON_EMPTY_DIRECTORY: DialogValidation.WithParameter<() -> String> = validationFileErrorFor { file ->
-  val children by lazy { file.list() }
-  if (file.exists() && children != null && children.isNotEmpty()) {
+  val path = file.toPath()
+  val children by lazy { Files.list(path).toList() }
+  if (Files.exists(path) && children != null && children.isNotEmpty()) {
     UIBundle.message("label.project.wizard.new.project.directory.not.empty.warning", file.name)
   }
   else null