diff --git a/platform/testFramework/junit5/projectStructure/src/com/intellij/platform/testFramework/junit5/projectStructure/fixture/impl/MultiverseFixtureInitializer.kt b/platform/testFramework/junit5/projectStructure/src/com/intellij/platform/testFramework/junit5/projectStructure/fixture/impl/MultiverseFixtureInitializer.kt
index 3844d7bf7076..2c2c03c2425c 100644
--- a/platform/testFramework/junit5/projectStructure/src/com/intellij/platform/testFramework/junit5/projectStructure/fixture/impl/MultiverseFixtureInitializer.kt
+++ b/platform/testFramework/junit5/projectStructure/src/com/intellij/platform/testFramework/junit5/projectStructure/fixture/impl/MultiverseFixtureInitializer.kt
@@ -13,9 +13,9 @@ import com.intellij.testFramework.junit5.fixture.TestFixture
 import com.intellij.testFramework.junit5.fixture.TestFixtureInitializer
 import com.intellij.testFramework.junit5.fixture.moduleFixture
 import com.intellij.testFramework.junit5.fixture.projectFixture
+import com.intellij.testFramework.junit5.fixture.tempPathFixture
 import org.jetbrains.annotations.TestOnly
 import java.nio.file.Path
-import kotlin.io.path.Path
 
 @TestOnly
 internal class MultiverseFixtureInitializer(
@@ -33,22 +33,22 @@ internal class MultiverseFixtureInitializer(
   ): Project {
     thisLogger().info("Initializing project structure")
 
-    projectFixture = projectFixture(openProjectTask = openProjectTask, openAfterCreation = openAfterCreation)
+    val projectRootFixture = tempPathFixture()
+    projectRootPath = projectRootFixture.init()
+
+    thisLogger().info("Project root directory is created: $projectRootPath")
+
+    projectFixture = projectFixture(pathFixture = projectRootFixture, openProjectTask = openProjectTask, openAfterCreation = openAfterCreation)
     val project = projectFixture.init()
 
-    projectRootPath = project.basePath?.let { Path(it) } ?: error("Project base path is not available")
-
-    thisLogger().info("base project is created: $projectRootPath")
-
-    val projectRootAsFixture = dirFixture(projectRootPath)
-    projectRootAsFixture.init()
+    thisLogger().info("Project is created")
 
     val builder = DirectoryBuilderBase("", structure)
     builder.init()
 
     thisLogger().info("Project structure has been read")
 
-    initializeChildren(builder, projectRootAsFixture)
+    initializeChildren(builder, projectRootFixture)
 
     thisLogger().info("Project structure is initialized")