diff --git a/dlls/user32/clipboard.c b/dlls/user32/clipboard.c
index 911014ee628..9a7753520f5 100644
--- a/dlls/user32/clipboard.c
+++ b/dlls/user32/clipboard.c
@@ -764,21 +764,7 @@ done:
  */
 UINT WINAPI EnumClipboardFormats( UINT format )
 {
-    UINT ret = 0;
-
-    SERVER_START_REQ( enum_clipboard_formats )
-    {
-        req->previous = format;
-        if (!wine_server_call_err( req ))
-        {
-            ret = reply->format;
-            SetLastError( ERROR_SUCCESS );
-        }
-    }
-    SERVER_END_REQ;
-
-    TRACE( "%s -> %s\n", debugstr_format( format ), debugstr_format( ret ));
-    return ret;
+    return NtUserEnumClipboardFormats( format );
 }
 
 
diff --git a/dlls/win32u/clipboard.c b/dlls/win32u/clipboard.c
index 29bf36ee80d..bf1c241d7c8 100644
--- a/dlls/win32u/clipboard.c
+++ b/dlls/win32u/clipboard.c
@@ -334,6 +334,26 @@ DWORD WINAPI NtUserGetClipboardSequenceNumber(void)
     return seqno;
 }
 
+/* see EnumClipboardFormats */
+UINT enum_clipboard_formats( UINT format )
+{
+    UINT ret = 0;
+
+    SERVER_START_REQ( enum_clipboard_formats )
+    {
+        req->previous = format;
+        if (!wine_server_call_err( req ))
+        {
+            ret = reply->format;
+            SetLastError( ERROR_SUCCESS );
+        }
+    }
+    SERVER_END_REQ;
+
+    TRACE( "%s -> %s\n", debugstr_format( format ), debugstr_format( ret ));
+    return ret;
+}
+
 /**************************************************************************
  *	     NtUserAddClipboardFormatListener    (win32u.@)
  */
diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 1e8b0fbf489..3b380c017e5 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -4707,6 +4707,9 @@ ULONG_PTR WINAPI NtUserCallOneParam( ULONG_PTR arg, ULONG code )
         enable_thunk_lock = arg;
         return 0;
 
+    case NtUserCallOneParam_EnumClipboardFormats:
+        return enum_clipboard_formats( arg );
+
     case NtUserCallOneParam_GetClipCursor:
         return get_clip_cursor( (RECT *)arg );
 
diff --git a/dlls/win32u/win32u_private.h b/dlls/win32u/win32u_private.h
index 9d4c7b5021c..4c1b0a7b45b 100644
--- a/dlls/win32u/win32u_private.h
+++ b/dlls/win32u/win32u_private.h
@@ -313,6 +313,7 @@ struct unix_funcs
 };
 
 /* clipboard.c */
+extern UINT enum_clipboard_formats( UINT format ) DECLSPEC_HIDDEN;
 extern void release_clipboard_owner( HWND hwnd ) DECLSPEC_HIDDEN;
 
 /* cursoricon.c */
diff --git a/include/ntuser.h b/include/ntuser.h
index 836854a12b4..d06b76ab605 100644
--- a/include/ntuser.h
+++ b/include/ntuser.h
@@ -637,6 +637,7 @@ enum
     NtUserCallOneParam_DispatchMessageA,
     NtUserCallOneParam_EnableDC,
     NtUserCallOneParam_EnableThunkLock,
+    NtUserCallOneParam_EnumClipboardFormats,
     NtUserCallOneParam_GetClipCursor,
     NtUserCallOneParam_GetCursorPos,
     NtUserCallOneParam_GetIconParam,
@@ -688,6 +689,11 @@ static inline void NtUserEnableThunkLock( BOOL enable )
     NtUserCallOneParam( enable, NtUserCallOneParam_EnableThunkLock );
 }
 
+static inline UINT NtUserEnumClipboardFormats( UINT format )
+{
+    return NtUserCallOneParam( format, NtUserCallOneParam_EnumClipboardFormats );
+}
+
 static inline BOOL NtUserGetClipCursor( RECT *rect )
 {
     return NtUserCallOneParam( (UINT_PTR)rect, NtUserCallOneParam_GetClipCursor );