if (gmx_debug_at)
{
#if BITMASK_SIZE <= 64 //move into bitmask when it is C++
- std::string flags = gmx::formatString("%x", *mask);
+ std::string flags = gmx::formatString("%lx", *mask);
#else
std::string flags = gmx::formatAndJoin(*mask,
*mask+BITMASK_ALEN,