diff --git a/modules/git/repo_commit.go b/modules/git/repo_commit.go
index 70fe6fbcdb5..ebecfd10389 100644
--- a/modules/git/repo_commit.go
+++ b/modules/git/repo_commit.go
@@ -47,14 +47,7 @@ func (repo *Repository) GetBranchCommitID(name string) (string, error) {
 
 // GetTagCommitID returns last commit ID string of given tag.
 func (repo *Repository) GetTagCommitID(name string) (string, error) {
-	stdout, err := NewCommand("rev-list", "-n", "1", TagPrefix+name).RunInDir(repo.Path)
-	if err != nil {
-		if strings.Contains(err.Error(), "unknown revision or path") {
-			return "", ErrNotExist{name, ""}
-		}
-		return "", err
-	}
-	return strings.TrimSpace(stdout), nil
+	return repo.GetRefCommitID(TagPrefix + name)
 }
 
 func convertPGPSignatureForTag(t *object.Tag) *CommitGPGSignature {