diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05b780911a..2d7f8fb055 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
 * Now `MediaGroupMessage` is `CommonMessage` with `MediaGroupContent` content
 * Added extensions `replyTo`, `forwarded` and `chat` for `List<BaseMessageUpdated>` for comfortable
 work with media groups lists
+* Fix `parseMode` of `InputTextMessageContent`
 
 ## 0.9.0
 
diff --git a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputTextMessageContent.kt b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputTextMessageContent.kt
index a6b8012e64..b93ae41b47 100644
--- a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputTextMessageContent.kt
+++ b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContent/InputTextMessageContent.kt
@@ -14,7 +14,8 @@ data class InputTextMessageContent(
     @SerialName(messageTextField)
     override val caption: String,
     @SerialName(parseModeField)
-    override val parseMode: ParseMode,
+    @Optional
+    override val parseMode: ParseMode? = null,
     @SerialName(disableWebPagePreviewField)
     @Optional
     override val disableWebPagePreview: Boolean? = null