diff --git a/src/emsesp.cpp b/src/emsesp.cpp
index 50374522f..eb45f86fe 100644
--- a/src/emsesp.cpp
+++ b/src/emsesp.cpp
@@ -806,7 +806,7 @@ std::string EMSESP::pretty_telegram(std::shared_ptr<const Telegram> telegram) {
     str.reserve(200);
     if (telegram->operation == Telegram::Operation::RX_READ) {
         str = src_name + "(" + Helpers::hextoa(src) + ") -R-> " + dest_name + "(" + Helpers::hextoa(dest) + "), " + type_name + "("
-              + Helpers::hextoa(telegram->type_id) + "), length: " + Helpers::hextoa(telegram->message_data[0])
+              + Helpers::hextoa(telegram->type_id) + "), length: " + Helpers::itoa(telegram->message_data[0])
               + ((telegram->message_length > 1) ? ", data: " + Helpers::data_to_hex(telegram->message_data + 1, telegram->message_length - 1) : "");
     } else if (telegram->dest == 0) {
         str = src_name + "(" + Helpers::hextoa(src) + ") -B-> " + dest_name + "(" + Helpers::hextoa(dest) + "), " + type_name + "("