What sheet are you using for your game? !group-check --whisper --Dexterity Save That works correctly for me. Have you configured the script? !group-check-config --show You may have it configured to 'public'; if so you can use this command to change it to always whisper: !group-check-config --set whisper If you have bad check commands loaded, you can clear all the commands using: !group-check-config --clear If you're using the D&D 5E by Roll20 sheet, you can use this to configure all the checks: !group-check-config --import 5E-OGL Lastly, check the macro that you are using to call GroupCheck - it's possible you have the macro set up to be public. Here's what I use: !group-check {{ --whisper --?{Ability Check|Strength,Strength Check|Dexterity,Dexterity Check|Constitution,Constitution Check|Intelligence,Intelligence Check|Wisdom,Wisdom Check|Charisma,Charisma Check|Acrobatics (Dex),Acrobatics|Animal Handling (Wis),Animal Handling|Arcana (Int),Arcana|Athletics (Str),Athletics|Deception (Cha),Deception|History (Int),History|Insight (Wis),Insight|Intimidation (Cha),Intimidation|Investigation (Int),Investigation|Medicine (Wis),Medicine|Nature (Int),Nature|Perception (Wis),Perception|Performance (Cha),Performance|Persuasion (Cha),Persuasion|Religion (Int),Religion|Sleight of Hand (Dex),Sleight of Hand|Stealth (Dex),Stealth|Survival (Wis),Survival} --ro ?{Roll Type|Normal,roll1|Advantage,adv|Disadvantage,dis} --process }}