diff --git a/Library/Homebrew/extend/os/mac/keg_relocate.rb b/Library/Homebrew/extend/os/mac/keg_relocate.rb
index 729bbf968c..56cfbf68ce 100644
--- a/Library/Homebrew/extend/os/mac/keg_relocate.rb
+++ b/Library/Homebrew/extend/os/mac/keg_relocate.rb
@@ -94,6 +94,7 @@ class Keg
   def each_linkage_for(file, linkage_type, &block)
     links = file.method(linkage_type)
                 .call
+                .uniq
                 .reject { |fn| fn =~ /^@(loader_|executable_|r)path/ }
     links.each(&block)
   end