diff --git a/Library/Homebrew/os.rb b/Library/Homebrew/os.rb
index b49bbff644..f6fe1eb811 100644
--- a/Library/Homebrew/os.rb
+++ b/Library/Homebrew/os.rb
@@ -13,7 +13,10 @@ module OS
 
   if OS.mac?
     require "os/mac"
-    ISSUES_URL = "https://git.io/brew-troubleshooting".freeze
+    # Don't tell people to report issues on unsupported versions of macOS.
+    if !OS::Mac.prerelease? && !OS::Mac.outdated_release?
+      ISSUES_URL = "https://git.io/brew-troubleshooting".freeze
+    end
     PATH_OPEN = "/usr/bin/open".freeze
     # compatibility
     ::MACOS_FULL_VERSION = OS::Mac.full_version.to_s.freeze