diff --git a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultDocumentImpl.kt b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultDocumentImpl.kt
index 182ad61929..f6a2dce048 100644
--- a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultDocumentImpl.kt
+++ b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultDocumentImpl.kt
@@ -18,6 +18,8 @@ data class InlineQueryResultDocumentImpl(
     override val url: String,
     @SerialName(titleField)
     override val title: String,
+    @SerialName(mimeTypeField)
+    override val mimeType: String,
     @SerialName(thumbUrlField)
     @Optional
     override val thumbUrl: String? = null,
@@ -27,8 +29,6 @@ data class InlineQueryResultDocumentImpl(
     @SerialName(thumbHeightField)
     @Optional
     override val thumbHeight: Int? = null,
-    @SerialName(mimeTypeField)
-    override val mimeType: String? = null,
     @SerialName(descriptionField)
     @Optional
     override val description: String? = null,
diff --git a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVideoImpl.kt b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVideoImpl.kt
index ca07faac35..df32e33267 100644
--- a/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVideoImpl.kt
+++ b/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/InlineQueryResultVideoImpl.kt
@@ -19,7 +19,7 @@ data class InlineQueryResultVideoImpl(
     @SerialName(thumbUrlField)
     override val thumbUrl: String,
     @SerialName(mimeTypeField)
-    override val mimeType: String? = null,
+    override val mimeType: String,
     @SerialName(titleField)
     override val title: String,
     @SerialName(videoWidthField)