diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/MessageAutoDeleteTimerChanged.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/MessageAutoDeleteTimerChanged.kt
index 189b5d56af..fdd7e264d1 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/MessageAutoDeleteTimerChanged.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/MessageAutoDeleteTimerChanged.kt
@@ -16,6 +16,9 @@ data class MessageAutoDeleteTimerChanged(
     val newAutoDeleteTime: Seconds // TODO:: check that it is seconds
 ) : ChannelEvent, GroupEvent, SupergroupEvent
 
+val MessageAutoDeleteTimerChanged.isOff
+    get() = newAutoDeleteTime == 0
+
 val MessageAutoDeleteTimerChanged.is24Hours
     get() = newAutoDeleteTime == seconds24Hours