diff --git a/Library/Homebrew/dev-cmd/bump.rb b/Library/Homebrew/dev-cmd/bump.rb
index c8468489f97d0..02698713cfd7d 100644
--- a/Library/Homebrew/dev-cmd/bump.rb
+++ b/Library/Homebrew/dev-cmd/bump.rb
@@ -279,7 +279,7 @@ def livecheck_result(formula_or_cask)
 
         if skip_info.present?
           return "#{skip_info[:status]}" \
-                 "#{" - #{skip_info[:messages].join(", ")}" if skip_info[:messages].present?}"
+                 "#{" - #{skip_info[:messages].join("; ")}" if skip_info[:messages].present?}"
         end
 
         version_info = Livecheck.latest_version(