Depositing money in account?

i was on the brink of buying a house,but mortgage fell through at the last minute,i have a sizeable deposit lying in lawyers account,that i now have to take back and deposit in my account until another mortgage becomes available,my parents gave me most of the money and i saved the rest,but im worried about putting this money in my account,will it start alarm bells ringing?or will it be ok as long as i can prove where it has come from?im worried about the bank being suspicious that its laundered or whatever,am i being worried over nothing?