diff --git a/platform/platform-impl/src/com/intellij/platform/PlatformProjectOpenProcessor.java b/platform/platform-impl/src/com/intellij/platform/PlatformProjectOpenProcessor.java
index 0e1087592934..fe35f5067a21 100644
--- a/platform/platform-impl/src/com/intellij/platform/PlatformProjectOpenProcessor.java
+++ b/platform/platform-impl/src/com/intellij/platform/PlatformProjectOpenProcessor.java
@@ -111,7 +111,7 @@ public class PlatformProjectOpenProcessor extends ProjectOpenProcessor {
       if (baseDir == null) { // no reasonable directory -> create new temp one or use parent
         if (Registry.is("ide.open.file.in.temp.project.dir")) {
           try {
-            dummyProjectName = virtualFile.getPath();
+            dummyProjectName = virtualFile.getName();
             File directory = FileUtil.createTempDirectory(dummyProjectName, null, true);
             baseDir = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(directory);
             dummyProject = true;