diff --git a/Library/Homebrew/cask/audit.rb b/Library/Homebrew/cask/audit.rb
index 080bc6f109..dc0f94d4b8 100644
--- a/Library/Homebrew/cask/audit.rb
+++ b/Library/Homebrew/cask/audit.rb
@@ -27,15 +27,16 @@ module Cask
                    new_cask: nil)
 
       # `new_cask` implies `online` and `strict`
-      online = new_cask if online.nil?
-      strict = new_cask if strict.nil?
+      online = new_cask if online.blank?
+      strict = new_cask if strict.blank?
 
       # `online` implies `appcast` and `download`
-      appcast = online if appcast.nil?
-      download = online if download.nil?
+      appcast = online if appcast.nil? # `appcast` is `nil` if neither `--appcast` nor `--no-appcast` are passed
+      download = online if download.blank?
 
+      odie online
       # `new_cask` implies `token_conflicts`
-      token_conflicts = new_cask if token_conflicts.nil?
+      token_conflicts = new_cask if token_conflicts.blank?
 
       @cask = cask
       @appcast = appcast
diff --git a/manpages/brew.1 b/manpages/brew.1
index 07c060d121..3830731697 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BREW" "1" "October 2021" "Homebrew" "brew"
+.TH "BREW" "1" "November 2021" "Homebrew" "brew"
 .
 .SH "NAME"
 \fBbrew\fR \- The Missing Package Manager for macOS (or Linux)