diff --git a/aiogram/enums/inline_query_result_type.py b/aiogram/enums/inline_query_result_type.py
index c7066ed2..ae20045a 100644
--- a/aiogram/enums/inline_query_result_type.py
+++ b/aiogram/enums/inline_query_result_type.py
@@ -11,7 +11,7 @@ class InlineQueryResultType(str, Enum):
     AUDIO = "audio"
     DOCUMENT = "document"
     GIF = "gif"
-    MPEG4GIF = "mpeg4_gif"
+    MPEG4_GIF = "mpeg4_gif"
     PHOTO = "photo"
     STICKER = "sticker"
     VIDEO = "video"
diff --git a/aiogram/types/inline_query_result_cached_mpeg4_gif.py b/aiogram/types/inline_query_result_cached_mpeg4_gif.py
index b4706256..539de025 100644
--- a/aiogram/types/inline_query_result_cached_mpeg4_gif.py
+++ b/aiogram/types/inline_query_result_cached_mpeg4_gif.py
@@ -21,7 +21,7 @@ class InlineQueryResultCachedMpeg4Gif(InlineQueryResult):
     Source: https://core.telegram.org/bots/api#inlinequeryresultcachedmpeg4gif
     """
 
-    type: str = Field(InlineQueryResultType.MPEG4GIF, const=True)
+    type: str = Field(InlineQueryResultType.MPEG4_GIF, const=True)
     """Type of the result, must be *mpeg4_gif*"""
     id: str
     """Unique identifier for this result, 1-64 bytes"""
diff --git a/aiogram/types/inline_query_result_mpeg4_gif.py b/aiogram/types/inline_query_result_mpeg4_gif.py
index 99f5fdd4..06c73620 100644
--- a/aiogram/types/inline_query_result_mpeg4_gif.py
+++ b/aiogram/types/inline_query_result_mpeg4_gif.py
@@ -21,7 +21,7 @@ class InlineQueryResultMpeg4Gif(InlineQueryResult):
     Source: https://core.telegram.org/bots/api#inlinequeryresultmpeg4gif
     """
 
-    type: str = Field(InlineQueryResultType.MPEG4GIF, const=True)
+    type: str = Field(InlineQueryResultType.MPEG4_GIF, const=True)
     """Type of the result, must be *mpeg4_gif*"""
     id: str
     """Unique identifier for this result, 1-64 bytes"""