diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 0fb12d2a09..575dbc4b3a 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -328,6 +328,7 @@ module Homebrew
     fi = FormulaInstaller.new(f)
     fi.options              = build_options.used_options
     fi.invalid_option_names = build_options.invalid_option_names
+    fi.ignore_deps          = ARGV.ignore_deps?
     fi.only_deps            = ARGV.only_deps?
     fi.build_bottle         = ARGV.build_bottle?
     fi.interactive          = ARGV.interactive?