diff --git a/dlls/shell32/shfldr_desktop.c b/dlls/shell32/shfldr_desktop.c
index 3c06122af47..678ebaf13ac 100644
--- a/dlls/shell32/shfldr_desktop.c
+++ b/dlls/shell32/shfldr_desktop.c
@@ -431,7 +431,7 @@ static HRESULT WINAPI ISF_Desktop_fnGetAttributesOf (IShellFolder2 * iface,
     IGenericSFImpl *This = (IGenericSFImpl *)iface;
     HRESULT hr = S_OK;
     const static DWORD dwDesktopAttributes = 
-        SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGE_ANCESTOR |
+        SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR |
         SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_FILESYSTEM | SFGAO_HASSUBFOLDER;
 
     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08lx))\n",
diff --git a/dlls/shell32/tests/shlfolder.c b/dlls/shell32/tests/shlfolder.c
index 35a8a133fa9..2dee49ffed9 100644
--- a/dlls/shell32/tests/shlfolder.c
+++ b/dlls/shell32/tests/shlfolder.c
@@ -505,7 +505,7 @@ static void test_GetAttributesOf(void)
     LPITEMIDLIST pidlMyComputer;
     DWORD dwFlags;
     const static DWORD dwDesktopFlags = /* As observed on WinXP SP2 */
-        SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGE_ANCESTOR |
+        SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR |
         SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_FILESYSTEM | SFGAO_HASSUBFOLDER;
     const static DWORD dwMyComputerFlags = /* As observed on WinXP SP2 */
         SFGAO_CANRENAME | SFGAO_CANDELETE | SFGAO_HASPROPSHEET |
diff --git a/include/shobjidl.idl b/include/shobjidl.idl
index 392286ba989..c460d86fb56 100644
--- a/include/shobjidl.idl
+++ b/include/shobjidl.idl
@@ -151,7 +151,7 @@ interface IShellFolder : IUnknown
     cpp_quote("#define SFGAO_NONENUMERATED     0x00100000L")
     cpp_quote("#define SFGAO_NEWCONTENT        0x00200000L")
     cpp_quote("#define SFGAO_STREAM            0x00400000L")
-    cpp_quote("#define SFGAO_STORAGE_ANCESTOR  0x00800000L")
+    cpp_quote("#define SFGAO_STORAGEANCESTOR   0x00800000L")
 
     typedef ULONG SFGAOF;