Ever litter that Charlotte has had, she has throw a small standard. Charlotte weighs 11 pounds. Even bred to a mini around 10 pounds she still threw a standard in that litter.
Unless for several generations back, ALL dogs in the pedigree are minis, you will have a chance of standard. The breeder is not going to know if the pup will top out at standard size but SHOULD know and let prespective buyers know that they can not gaurantee weight if they don't have full knowledge of the lines.
Even if your doxie is a small standard, he will most likely be a beautiful dog. In my opinion standards are always a better example of the breed. Don't freat, he is still your baby!
The standard is trying to make a come back and I really hope that happens. I am giving some thought to breeding my Gracie who has finally topped out at 18 pounds and River who should top out at 20. They are both awesome examples of dachshunds.
Thing is that they, because of their line, (both have strong mini in the lines) could produce minis in their litter along with standard size pups.
Only time will tell but if he is a small standard, unless you are planning on breeding him, is it really that bad?