1 files changed, 6 insertions, 6 deletions
diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index 6ac5a0db2..c8b567239 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -391,9 +391,9 @@ class << ENV
   def remove_from_cflags f
     remove cc_flag_vars, f
   end
-  def append key, value, separator = ' '
+  def append keys, value, separator = ' '
     value = value.to_s
-    [*key].each do |key|
+    Array(keys).each do |key|
       unless self[key].to_s.empty?
         self[key] = self[key] + separator + value.to_s
       else
@@ -401,8 +401,8 @@ class << ENV
       end
     end
   end
-  def prepend key, value, separator = ' '
-    [*key].each do |key|
+  def prepend keys, value, separator = ' '
+    Array(keys).each do |key|
       unless self[key].to_s.empty?
         self[key] = value.to_s + separator + self[key]
       else
@@ -413,8 +413,8 @@ class << ENV
   def prepend_path key, path
     prepend key, path, ':' if File.directory? path
   end
-  def remove key, value
-    [*key].each do |key|
+  def remove keys, value
+    Array(keys).each do |key|
       next unless self[key]
       self[key] = self[key].sub(value, '')
       delete(key) if self[key].to_s.empty?