diff --git a/pkg/fetch/vendir.go b/pkg/fetch/vendir.go
index fc11cf5eba..dda45f16f3 100644
--- a/pkg/fetch/vendir.go
+++ b/pkg/fetch/vendir.go
@@ -433,7 +433,7 @@ func extractImageRegistry(name string) string {
 func extractGitHostname(input string) string {
 	u, err := url.Parse(input)
 	if err != nil {
-		return "github.com"
+		return ""
 	}
 	return u.Hostname()
 }
diff --git a/pkg/fetch/vendir_test.go b/pkg/fetch/vendir_test.go
index 5a37efc921..961a1cb2a7 100644
--- a/pkg/fetch/vendir_test.go
+++ b/pkg/fetch/vendir_test.go
@@ -65,7 +65,7 @@ func Test_GitURL_skipsTLS(t *testing.T) {
 			Namespace: "default",
 		},
 		Data: map[string]string{
-			"dangerousSkipTLSVerify": "github.com, gitlab.com, hostname.com",
+			"dangerousSkipTLSVerify": "github.com, gitlab.com, hostname.com, 0.0.0.0",
 		},
 	}
 	k8scs := k8sfake.NewSimpleClientset(configMap)
@@ -84,6 +84,7 @@ func Test_GitURL_skipsTLS(t *testing.T) {
 		{"https://gitlab.com/bitnami/charts/", true},
 		{"ssh://username@hostname.com:/path/to/repo.git", true},
 		{"https://bitbucket.org/bitnami/charts/", false},
+		{"https://0.0.0.0/bitnami/charts/", true},
 	}
 	for i, tc := range testCases {
 		err = vendir.AddDir(v1alpha1.AppFetch{
@@ -93,6 +94,8 @@ func Test_GitURL_skipsTLS(t *testing.T) {
 		assert.NoError(t, err)
 
 		vConf := vendir.Config()
+		t.Logf("%+v", vConf)
+		t.Logf("%+v", vConf.Directories[i].Contents[0].Git)
 		assert.Equal(t, i+1, len(vConf.Directories), "Failed on iteration %d", i)
 		assert.Equal(t, tc.shouldSkipTLS, vConf.Directories[i].Contents[0].Git.DangerousSkipTLSVerify, "Failed with URL %s", tc.URL)
 	}