Find my mistake with the random command

I'm writing a little routine that simulates the rolling of dice,
but it gives the same numbers in the same order every time
I run it, even if I recompile the code each time.

My random routine looks like
randomize();
roll=random(sides)+1;

I'm using Turbo C 4.5. Can you see any problem with the above?
I have stdlib.h and time.h included...

Thanks,
Jason F.
[email protected]