diff --git a/platform/external-system-impl/testSrc/com/intellij/openapi/externalSystem/test/ExternalSystemTestCase.java b/platform/external-system-impl/testSrc/com/intellij/openapi/externalSystem/test/ExternalSystemTestCase.java
index c4c42d9eff13..68f0a00e0f91 100644
--- a/platform/external-system-impl/testSrc/com/intellij/openapi/externalSystem/test/ExternalSystemTestCase.java
+++ b/platform/external-system-impl/testSrc/com/intellij/openapi/externalSystem/test/ExternalSystemTestCase.java
@@ -114,7 +114,7 @@ public abstract class ExternalSystemTestCase extends UsefulTestCase {
     List<String> allowedRoots = new ArrayList<>();
     collectAllowedRoots(allowedRoots);
     if (!allowedRoots.isEmpty()) {
-      VfsRootAccess.allowRootAccess(getTestRootDisposable(), ArrayUtil.toStringArray(allowedRoots));
+      VfsRootAccess.allowRootAccess(myTestFixture.getTestRootDisposable(), ArrayUtil.toStringArray(allowedRoots));
     }
 
     CompilerTestUtil.enableExternalCompiler();