diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index da998b9e43..41298db9e3 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -418,7 +418,7 @@ class FormulaInstaller
 
     req_map.each_pair do |dependent, reqs|
       reqs.each do |req|
-        next if dependent.installed? && req.name == "maximummacos"
+        next if dependent.latest_version_installed? && req.name == "maximummacos"
 
         @requirement_messages << "#{dependent}: #{req.message}"
         fatals << req if req.fatal?