diff --git a/patches/ntdll-FileDispositionInformation/0002-server-Do-not-allow-to-set-disposition-on-file-which.patch b/patches/ntdll-FileDispositionInformation/0002-server-Do-not-allow-to-set-disposition-on-file-which.patch
index 98d9c19a..d0f2cd17 100644
--- a/patches/ntdll-FileDispositionInformation/0002-server-Do-not-allow-to-set-disposition-on-file-which.patch
+++ b/patches/ntdll-FileDispositionInformation/0002-server-Do-not-allow-to-set-disposition-on-file-which.patch
@@ -49,7 +49,7 @@ index 5130b44..04891e7 100644
 +    LIST_FOR_EACH( ptr, &fd->inode->open )
 +    {
 +        struct fd *fd_ptr = LIST_ENTRY( ptr, struct fd, inode_entry );
-+        if (fd_ptr != fd && fd_ptr->access & FILE_MAPPING_ACCESS)
++        if (fd_ptr != fd && (fd_ptr->access & FILE_MAPPING_ACCESS))
 +        {
 +            set_error( STATUS_CANNOT_DELETE );
 +            return;