diff --git a/server/src/main/java/com/epam/aidial/core/server/security/AccessService.java b/server/src/main/java/com/epam/aidial/core/server/security/AccessService.java
index 33930b84..cc83a182 100644
--- a/server/src/main/java/com/epam/aidial/core/server/security/AccessService.java
+++ b/server/src/main/java/com/epam/aidial/core/server/security/AccessService.java
@@ -217,14 +217,9 @@ public static Map<ResourceDescriptor, Set<ResourceAccessType>> getAppResourceAcc
             }
 
             String parentPath = resource.getParentPath();
-            String filePath;
-            if (resource.isFolder()) {
-                filePath = parentPath;
-            } else {
-                filePath = parentPath == null
-                        ? resource.getName()
-                        : parentPath + ResourceDescriptor.PATH_SEPARATOR + resource.getName();
-            }
+            String filePath = parentPath == null
+                    ? resource.getName()
+                    : parentPath + ResourceDescriptor.PATH_SEPARATOR + resource.getName();
 
             if (filePath != null && filePath.startsWith(appPath)) {
                 result.put(resource, ResourceAccessType.ALL);
diff --git a/server/src/test/java/com/epam/aidial/core/server/service/AccessServiceTest.java b/server/src/test/java/com/epam/aidial/core/server/service/AccessServiceTest.java
index 7fee72e9..04e299dc 100644
--- a/server/src/test/java/com/epam/aidial/core/server/service/AccessServiceTest.java
+++ b/server/src/test/java/com/epam/aidial/core/server/service/AccessServiceTest.java
@@ -80,6 +80,22 @@ public void testGetAppResourceAccess_AppDataFile() {
         assertEquals(ResourceAccessType.ALL, result.get(descriptor));
     }
 
+    @Test
+    public void testGetAppResourceAccess_AppDataFolder() {
+        ProxyContext context = mock(ProxyContext.class);
+        ApiKeyData apiKeyData = new ApiKeyData();
+        apiKeyData.setPerRequestKey("key");
+        when(context.getApiKeyData()).thenReturn(apiKeyData);
+        when(context.getUserSub()).thenReturn("user");
+        when(context.getSourceDeployment()).thenReturn("app");
+        ResourceDescriptor descriptor = new ResourceDescriptor(ResourceTypes.FILE, "app", List.of("appdata"), "bucket", "Users/user/", true);
+
+        Map<ResourceDescriptor, Set<ResourceAccessType>> result = AccessService.getAppResourceAccess(Set.of(descriptor), context);
+
+        assertTrue(result.containsKey(descriptor));
+        assertEquals(ResourceAccessType.ALL, result.get(descriptor));
+    }
+
     @Test
     public void testGetAppResourceAccess_DeploymentNameHasSpecialChars() {
         ProxyContext context = mock(ProxyContext.class);