diff --git a/aiogram/methods/answer_inline_query.py b/aiogram/methods/answer_inline_query.py
index 95c9b66d..78f1de60 100644
--- a/aiogram/methods/answer_inline_query.py
+++ b/aiogram/methods/answer_inline_query.py
@@ -37,5 +37,11 @@ class AnswerInlineQuery(TelegramMethod[bool]):
 
     def build_request(self, bot: Bot) -> Request:
         data: Dict[str, Any] = self.dict()
-        prepare_parse_mode(bot, data["results"])
+
+        input_message_contents = []
+        for result in data["results"]:
+            if result.get("input_message_content", None) is not None:
+                input_message_contents.append(result.get("input_message_content"))
+
+        prepare_parse_mode(bot, data["results"] + input_message_contents)
         return Request(method="answerInlineQuery", data=data)
diff --git a/tests/test_api/test_methods/test_answer_inline_query.py b/tests/test_api/test_methods/test_answer_inline_query.py
index 6b15cb8c..44568a93 100644
--- a/tests/test_api/test_methods/test_answer_inline_query.py
+++ b/tests/test_api/test_methods/test_answer_inline_query.py
@@ -2,7 +2,7 @@ import pytest
 
 from aiogram import Bot
 from aiogram.methods import AnswerInlineQuery, Request
-from aiogram.types import InlineQueryResult, InlineQueryResultPhoto
+from aiogram.types import InlineQueryResult, InlineQueryResultPhoto, InputTextMessageContent
 from tests.mocked_bot import MockedBot
 
 pytestmark = pytest.mark.asyncio
@@ -40,3 +40,20 @@ class TestAnswerInlineQuery:
         new_bot = Bot(token="42:TEST", parse_mode="HTML")
         request = query.build_request(new_bot)
         assert request.data["results"][0]["parse_mode"] == "HTML"
+
+    def test_parse_mode_input_message_content(self, bot: MockedBot):
+        query = AnswerInlineQuery(
+            inline_query_id="query id",
+            results=[InlineQueryResultPhoto(
+                id="result id",
+                photo_url="photo",
+                thumb_url="thumb",
+                input_message_content=InputTextMessageContent(message_text="test")
+            )],
+        )
+        request = query.build_request(bot)
+        assert request.data["results"][0]["input_message_content"]["parse_mode"] is None
+
+        new_bot = Bot(token="42:TEST", parse_mode="HTML")
+        request = query.build_request(new_bot)
+        assert request.data["results"][0]["input_message_content"]["parse_mode"] == "HTML"