diff --git a/java/java-impl/src/com/intellij/openapi/vfs/impl/jrt/JrtFileSystem.java b/java/java-impl/src/com/intellij/openapi/vfs/impl/jrt/JrtFileSystem.java
index 0701359cb5c5..37af0d931e44 100644
--- a/java/java-impl/src/com/intellij/openapi/vfs/impl/jrt/JrtFileSystem.java
+++ b/java/java-impl/src/com/intellij/openapi/vfs/impl/jrt/JrtFileSystem.java
@@ -111,7 +111,7 @@ public class JrtFileSystem extends ArchiveFileSystem {
   protected ArchiveHandler getHandler(@NotNull VirtualFile entryFile) {
     checkSubscription();
 
-    String homePath = extractLocalPath(extractRootPath(entryFile.getPath()));
+    String homePath = FileUtil.toSystemIndependentName(extractLocalPath(extractRootPath(entryFile.getPath())));
     ArchiveHandler handler = myHandlers.get(homePath);
     if (handler == null) {
       handler = isSupported() ? new JrtHandler(homePath) : new JrtHandlerStub(homePath);
diff --git a/java/java-tests/testSrc/com/intellij/openapi/vfs/JrtFileSystemTest.java b/java/java-tests/testSrc/com/intellij/openapi/vfs/JrtFileSystemTest.java
index b8185dc08456..cfeccfe66388 100644
--- a/java/java-tests/testSrc/com/intellij/openapi/vfs/JrtFileSystemTest.java
+++ b/java/java-tests/testSrc/com/intellij/openapi/vfs/JrtFileSystemTest.java
@@ -86,7 +86,10 @@ public class JrtFileSystemTest extends BareTestFixtureTestCase {
     assertThat(Stream.of(dir.getChildren()).map(VirtualFile::getName).collect(Collectors.toList())).containsOnly("pkg1");
     assertThat(myRoot.findFileByRelativePath("test/pkg2/Class2.class")).isNull();
 
-    Files.copy(myTestData.resolve("image2"), myTempDir.getRoot().toPath().resolve("lib/modules"), StandardCopyOption.REPLACE_EXISTING);
+    Path modules = myTempDir.getRoot().toPath().resolve("lib/modules");
+    Files.move(modules, myTempDir.getRoot().toPath().resolve("lib/modules.bak"));
+    Files.copy(myTestData.resolve("image2"), modules, StandardCopyOption.REPLACE_EXISTING);
+
     VirtualFile local = LocalFileSystem.getInstance().findFileByIoFile(myTempDir.getRoot());
     assertThat(local).isNotNull();
     local.refresh(false, true);