Quote entire path passed to checkout-index

1 files changed, 1 insertions, 1 deletions

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 9b3759413..afd8840c5 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -652,7 +652,7 @@ class GitDownloadStrategy < VCSDownloadStrategy
 
   def checkout_submodules(dst)
     escaped_clone_path = cached_location.to_s.gsub(/\//, '\/')
-    sub_cmd = "git checkout-index -a -f --prefix=#{dst}/${toplevel/#{escaped_clone_path}/}/$path/"
+    sub_cmd = %[git checkout-index -a -f --prefix="#{dst}/${toplevel/#{escaped_clone_path}/}/$path/"]
     quiet_safe_system "git", "submodule", "foreach", "--recursive", sub_cmd
   end
 end