diff --git a/instaloader/structures.py b/instaloader/structures.py
index 59f0b31..8b1f363 100644
--- a/instaloader/structures.py
+++ b/instaloader/structures.py
@@ -6,6 +6,7 @@ from collections import namedtuple
 from datetime import datetime
 from pathlib import Path
 from typing import Any, Dict, Iterable, Iterator, List, Optional, Tuple, Union
+from unicodedata import normalize
 
 from . import __version__
 from .exceptions import *
@@ -322,9 +323,9 @@ class Post:
     def caption(self) -> Optional[str]:
         """Caption."""
         if "edge_media_to_caption" in self._node and self._node["edge_media_to_caption"]["edges"]:
-            return self._node["edge_media_to_caption"]["edges"][0]["node"]["text"]
+            return normalize("NFC", self._node["edge_media_to_caption"]["edges"][0]["node"]["text"])
         elif "caption" in self._node:
-            return self._node["caption"]
+            return normalize("NFC", self._node["caption"])
         return None
 
     @property