diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/PlatformFrameTitleBuilder.kt b/platform/platform-impl/src/com/intellij/openapi/wm/impl/PlatformFrameTitleBuilder.kt
index 3b0b67e4a5a4..6c2ce94c599f 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/PlatformFrameTitleBuilder.kt
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/PlatformFrameTitleBuilder.kt
@@ -12,10 +12,10 @@ import com.intellij.openapi.util.io.FileUtil
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.openapi.vfs.newvfs.VfsPresentationUtil
 import com.intellij.ui.ExperimentalUI
+import com.intellij.util.PathUtil
 import com.intellij.util.PlatformUtils
 import org.jetbrains.annotations.NonNls
 import org.jetbrains.annotations.SystemIndependent
-import kotlin.io.path.Path
 
 open class PlatformFrameTitleBuilder : FrameTitleBuilder() {
   override fun getProjectTitle(project: Project): String {
@@ -61,7 +61,7 @@ private fun doGetFileTitle(
 ): String {
   return when {
     overriddenTitle != null -> overriddenTitle
-    Path(file.path).parent == null -> file.presentableName
+    PathUtil.getParentPath(file.path).isEmpty() -> file.presentableName
     UISettings.getInstance().fullPathsInWindowHeader && !ExperimentalUI.isNewUI() -> {
       displayUrlRelativeToProject(
         file = file,