diff --git a/Library/Homebrew/extend/os/linux/parser.rb b/Library/Homebrew/extend/os/linux/parser.rb
index 0195c1f67b..fcbeb67f0b 100644
--- a/Library/Homebrew/extend/os/linux/parser.rb
+++ b/Library/Homebrew/extend/os/linux/parser.rb
@@ -15,9 +15,9 @@ module Homebrew
         return unless @args.respond_to?(:cask?)
         return unless @args.cask?
 
-        # NOTE: We don't raise a UsageError here because
-        # we don't want to print the help page.
-        raise "Invalid usage: Casks are not supported on Linux"
+        # NOTE: We don't raise an error here because we don't want
+        # to print the help page or a stack trace.
+        odie "Invalid `--cask` usage: Casks do not work on Linux"
       end
     end
   end
diff --git a/Library/Homebrew/test/cli/parser_spec.rb b/Library/Homebrew/test/cli/parser_spec.rb
index 51ab257815..8711931858 100644
--- a/Library/Homebrew/test/cli/parser_spec.rb
+++ b/Library/Homebrew/test/cli/parser_spec.rb
@@ -573,7 +573,9 @@ describe Homebrew::CLI::Parser do
 
       it "throws an error when defined" do
         expect { parser.parse(["--cask"]) }
-          .to raise_error RuntimeError, "Invalid usage: Casks are not supported on Linux"
+          .to output("Error: Invalid `--cask` usage: Casks do not work on Linux\n").to_stderr
+          .and not_to_output.to_stdout
+          .and raise_exception SystemExit
       end
     end
 
@@ -588,12 +590,16 @@ describe Homebrew::CLI::Parser do
 
       it "throws an error when --cask defined" do
         expect { parser.parse(["--cask"]) }
-          .to raise_error RuntimeError, "Invalid usage: Casks are not supported on Linux"
+          .to output("Error: Invalid `--cask` usage: Casks do not work on Linux\n").to_stderr
+          .and not_to_output.to_stdout
+          .and raise_exception SystemExit
       end
 
       it "throws an error when both defined" do
         expect { parser.parse(["--cask", "--formula"]) }
-          .to raise_error RuntimeError, "Invalid usage: Casks are not supported on Linux"
+          .to output("Error: Invalid `--cask` usage: Casks do not work on Linux\n").to_stderr
+          .and not_to_output.to_stdout
+          .and raise_exception SystemExit
       end
     end
   end