diff --git a/modules/structs/MinecraftClient.go b/modules/structs/MinecraftClient.go
index 956dd24..888c494 100644
--- a/modules/structs/MinecraftClient.go
+++ b/modules/structs/MinecraftClient.go
@@ -55,6 +55,15 @@ func (mcClient *MinecraftClient) AddMessageToSendQueue(raw []byte, cmdID int) {
 	mcClient.SendQueueMessages = append(mcClient.SendQueueMessages, &SendQueueMessage{MessageRaw: raw, CmdID: cmdID, TrySendCount: 0, Time: time.Now()})
 }
 
+func (mcClient *MinecraftClient) IsCmdIDInSendMessagesQueue(cmdID int) bool {
+	for msgCmdID, _ := range mcClient.SendQueueMessages {
+		if cmdID == msgCmdID {
+			return true
+		}
+	}
+	return false
+}
+
 func (mcClient *MinecraftClient) RemoveMessageFromSendQueueByCmdID(cmdID int) {
 	mcClient.sendQueueMessagesMu.Lock()
 	defer mcClient.sendQueueMessagesMu.Unlock()
diff --git a/serverCommunication/minecraft.go b/serverCommunication/minecraft.go
index 85f14c3..88c9986 100644
--- a/serverCommunication/minecraft.go
+++ b/serverCommunication/minecraft.go
@@ -25,6 +25,12 @@ func HandleMinecraftMessage(conn *websocket.Conn, msg []byte) {
 		if isCmdIDInList(mcClient.CmdIDs, cmdID) {
 			mcClient.RemoveCmdID(cmdID)
 		}
+
+		if mcClient.IsCmdIDInSendMessagesQueue(cmdID) {
+			mcClient.RemoveMessageFromSendQueueByCmdID(cmdID)
+
+			// TODO: handle ack answer (send answer to mobile or handle her)
+		}
 		return
 	}