diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/dice/DiceAnimationType.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/dice/DiceAnimationType.kt
index 89ea0878cf..74ded7764f 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/dice/DiceAnimationType.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/dice/DiceAnimationType.kt
@@ -38,7 +38,7 @@ internal object DiceAnimationTypeSerializer : KSerializer<DiceAnimationType> {
             CubeDiceAnimationType.emoji -> CubeDiceAnimationType
             DartsDiceAnimationType.emoji -> DartsDiceAnimationType
             BasketballDiceAnimationType.emoji -> BasketballDiceAnimationType
-            SlotMachineDiceAnimationType.emoji -> BasketballDiceAnimationType
+            SlotMachineDiceAnimationType.emoji -> SlotMachineDiceAnimationType
             else -> CustomDiceAnimationType(type)
         }
     }
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
index 4ac90d2823..5f6991b77a 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
@@ -220,17 +220,20 @@ internal data class RawMessage(
                 }
             } ?: content?.let { content ->
                 media_group_id?.let {
+                    val checkedContent = when (content) {
+                        is PhotoContent -> content
+                        is VideoContent -> content
+                        is AudioContent -> content
+                        is DocumentContent -> content
+                        else -> error("Unsupported content for media group")
+                    }
                     when (from) {
                         null -> ChannelMediaGroupMessage(
                             messageId,
                             chat,
                             date.asDate,
                             it,
-                            when (content) {
-                                is PhotoContent -> content
-                                is VideoContent -> content
-                                else -> error("Unsupported content for media group")
-                            },
+                            checkedContent,
                             edit_date?.asDate,
                             forwarded,
                             reply_to_message?.asMessage,
@@ -242,11 +245,7 @@ internal data class RawMessage(
                             chat,
                             date.asDate,
                             it,
-                            when (content) {
-                                is PhotoContent -> content
-                                is VideoContent -> content
-                                else -> error("Unsupported content for media group")
-                            },
+                            checkedContent,
                             edit_date?.asDate,
                             forwarded,
                             reply_to_message?.asMessage,