diff --git a/ChangeLog b/ChangeLog
index 1e5be26d92..d058c99cfd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Feb  8 10:44:44 2013  Eric Hodel  <drbrain@segment7.net>
+
+	* test/rubygems/test_gem_dependency_installer.rb:  Improve coverage of
+	  --install-dir feature of gem install.
+
 Fri Feb  8 10:11:09 2013  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/rubygems/config_file.rb:  Add missing require for
diff --git a/test/rubygems/test_gem_dependency_installer.rb b/test/rubygems/test_gem_dependency_installer.rb
index bbab5fe91e..d515505922 100644
--- a/test/rubygems/test_gem_dependency_installer.rb
+++ b/test/rubygems/test_gem_dependency_installer.rb
@@ -500,16 +500,21 @@ class TestGemDependencyInstaller < Gem::TestCase
     util_setup_gems
 
     FileUtils.mv @a1_gem, @tempdir
+    FileUtils.mv @b1_gem, @tempdir
+
+    inst = Gem::Installer.new @a1.file_name
+    inst.install
+
     gemhome2 = File.join @tempdir, 'gemhome2'
     Dir.mkdir gemhome2
     inst = nil
 
     Dir.chdir @tempdir do
       inst = Gem::DependencyInstaller.new :install_dir => gemhome2
-      inst.install 'a'
+      inst.install 'b'
     end
 
-    assert_equal %w[a-1], inst.installed_gems.map { |s| s.full_name }
+    assert_equal %w[a-1 b-1], inst.installed_gems.map { |s| s.full_name }
 
     assert File.exist?(File.join(gemhome2, 'specifications', @a1.spec_name))
     assert File.exist?(File.join(gemhome2, 'cache', @a1.file_name))