diff --git a/store.go b/store.go
index 2712edb..182ae3b 100644
--- a/store.go
+++ b/store.go
@@ -2,6 +2,8 @@ package main
 
 import (
 	"database/sql"
+	"os"
+	"path/filepath"
 	"gorm.io/gorm"
 	"gorm.io/driver/sqlite"
 	sqids "github.com/sqids/sqids-go"
@@ -26,12 +28,25 @@ type Conversation struct {
 	Title string
 }
 
-const (
-	DATABASE_FILE string = "./data.db"
-)
+
+func getDataDir() string {
+	var dataDir string;
+
+	xdgDataHome := os.Getenv("XDG_DATA_HOME")
+	if xdgDataHome != "" {
+		dataDir = filepath.Join(xdgDataHome, "lmcli")
+	} else {
+		userHomeDir, _ := os.UserHomeDir()
+		dataDir = filepath.Join(userHomeDir, ".local/share/lmcli")
+	}
+
+	os.MkdirAll(dataDir, 0755)
+	return dataDir
+}
 
 func InitializeStore() (*Store, error) {
-	db, err := gorm.Open(sqlite.Open(DATABASE_FILE), &gorm.Config{})
+	databaseFile := filepath.Join(getDataDir(), "conversations.db")
+	db, err := gorm.Open(sqlite.Open(databaseFile), &gorm.Config{})
 	if err != nil {
 		return nil, err
 	}