1 files changed, 2 insertions, 2 deletions
diff --git a/Library/Homebrew/tap.rb b/Library/Homebrew/tap.rb
index ed93e1266..291bbe077 100644
--- a/Library/Homebrew/tap.rb
+++ b/Library/Homebrew/tap.rb
@@ -230,7 +230,7 @@ class Tap
       ohai "Unshallowing #{name}" unless quiet
       args = %w[fetch --unshallow]
       args << "-q" if quiet
-      path.cd { safe_system "git", *args }
+      Utils.with_homebrew_gitconfig { path.cd { safe_system "git", *args } }
       return
     end
 
@@ -242,7 +242,7 @@ class Tap
     args << "-q" if quiet
 
     begin
-      safe_system "git", *args
+      Utils.with_homebrew_gitconfig { safe_system "git", *args }
       unless Readall.valid_tap?(self, aliases: true)
         unless ARGV.homebrew_developer?
           raise "Cannot tap #{name}: invalid syntax in tap!"