diff --git a/test/test_core.rb b/test/test_core.rb
index b5d06a7..97df625 100644
--- a/test/test_core.rb
+++ b/test/test_core.rb
@@ -61,6 +61,13 @@ def test_raise_invalid_target
     assert_raises Seeds::Exception do @seed.install end
   end
 
+  def test_raise_invalid_github_reponame
+    seedfile %{
+      github "JLToast", "1.2.2"
+    }
+    assert_raises Seeds::Exception do @seed.install end
+  end
+
   def test_install
     seedfile %{
       github "devxoul/JLToast", "1.2.2", :files => "JLToast/*.{h,swift}"