diff --git a/main.go b/main.go
index 45b72b9..31a4da3 100644
--- a/main.go
+++ b/main.go
@@ -44,7 +44,12 @@ func main() {
 	if err != nil {
 		log.Fatalf("open db: %v", err)
 	}
-	defer db.Close()
+	defer func(db *sql.DB) {
+		err := db.Close()
+		if err != nil {
+			log.Fatalf("close db: %v", err)
+		}
+	}(db)
 
 	r := gin.Default()