Fix divide by zero bug.
Fix divide by zero bug.

Kefkius/clams,robvanmieghem/clams,dooglus/clams,nochowderforyou/clams,thunderrabbit/clams,Jheguy2/Mercury,thunderrabbit/clams,nochowderforyou/clams,robvanmieghem/clams,nochowderforyou/clams,nochowderforyou/clams,Kefkius/clams,Jheguy2/Mercury,Jheguy2/Mercury,dooglus/clams,Kefkius/clams,Jheguy2/Mercury,thunderrabbit/clams,robvanmieghem/clams,robvanmieghem/clams,dooglus/clams,dooglus/clams,thunderrabbit/clams,Jheguy2/Mercury,nochowderforyou/clams,thunderrabbit/clams,robvanmieghem/clams,dooglus/clams,Kefkius/clams,Kefkius/clams