diff --git a/Library/Homebrew/extend/os/mac/requirements/java_requirement.rb b/Library/Homebrew/extend/os/mac/requirements/java_requirement.rb
index 9bbcba9bef..ebb80718ac 100644
--- a/Library/Homebrew/extend/os/mac/requirements/java_requirement.rb
+++ b/Library/Homebrew/extend/os/mac/requirements/java_requirement.rb
@@ -14,7 +14,7 @@ class JavaRequirement < Requirement
     javas << java_home_cmd
     javas << which("java")
     javas.delete(Pathname.new("/usr/bin/java")) # /usr/bin/java is a stub on macOS
-    javas
+    javas.compact
   end
 
   def java_home_cmd