diff --git a/knotmirror/xrpc/gitea/batch.go b/knotmirror/xrpc/gitea/batch.go
index 4008a84b..07a33615 100644
--- a/knotmirror/xrpc/gitea/batch.go
+++ b/knotmirror/xrpc/gitea/batch.go
@@ -25,7 +25,7 @@ func GetCommit(ctx context.Context, repoPath, rev string) (*object.Commit, error
 	wr, rd, cancel := CatFileBatch(ctx, repoPath)
 	defer cancel()
 
-	if _, err := wr.Write([]byte(rev + "\n")); err != nil {
+	if _, err := wr.Write([]byte(rev + "^{commit}\n")); err != nil {
 		return nil, fmt.Errorf("write rev: %w", err)
 	}
 	sha, typ, size, err := ReadBatchLine(rd)
diff --git a/knotmirror/xrpc/gitea/commit_test.go b/knotmirror/xrpc/gitea/commit_test.go
index 1b578866..59ce063c 100644
--- a/knotmirror/xrpc/gitea/commit_test.go
+++ b/knotmirror/xrpc/gitea/commit_test.go
@@ -4,6 +4,10 @@
 package gitea
 
 import (
+	"context"
+	"os"
+	"os/exec"
+	"path/filepath"
 	"strings"
 	"testing"
 
@@ -13,6 +17,31 @@ import (
 	"tangled.org/core/types"
 )
 
+func TestGetCommitDereferencesAnnotatedTag(t *testing.T) {
+	repo := t.TempDir()
+	runGit := func(args ...string) []byte {
+		t.Helper()
+		cmd := exec.Command("git", args...)
+		cmd.Dir = repo
+		out, err := cmd.CombinedOutput()
+		require.NoError(t, err, string(out))
+		return out
+	}
+
+	runGit("init")
+	runGit("config", "user.name", "test")
+	runGit("config", "user.email", "test@example.com")
+	require.NoError(t, os.WriteFile(filepath.Join(repo, "file.txt"), []byte("hello\n"), 0o644))
+	runGit("add", "file.txt")
+	runGit("commit", "-m", "initial")
+	runGit("tag", "-a", "v0.1.0", "-m", "release")
+
+	want := strings.TrimSpace(string(runGit("rev-parse", "v0.1.0^{commit}")))
+	commit, err := GetCommit(context.Background(), repo, "v0.1.0")
+	require.NoError(t, err)
+	assert.Equal(t, want, commit.Hash.String())
+}
+
 func TestCommitFromReader(t *testing.T) {
 	commitString := `tree f1a6cb52b2d16773290cefe49ad0684b50a4f930
 parent 37991dec2c8e592043f47155ce4808d4580f9123