diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index 8f164e2fe..510f3cb75 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -1725,7 +1725,8 @@ void Interpreter::HandleIcmpReceive(Message &               aMessage,
 
     VerifyOrExit(aIcmpHeader.mType == OT_ICMP6_TYPE_ECHO_REPLY);
 
-    mServer->OutputFormat("%d bytes from ", aMessage.GetLength() - aMessage.GetOffset());
+    mServer->OutputFormat("%d bytes from ", aMessage.GetLength() - aMessage.GetOffset() + sizeof(otIcmp6Header));
+
     mServer->OutputFormat(
         "%x:%x:%x:%x:%x:%x:%x:%x", HostSwap16(aMessageInfo.GetPeerAddr().mFields.m16[0]),
         HostSwap16(aMessageInfo.GetPeerAddr().mFields.m16[1]), HostSwap16(aMessageInfo.GetPeerAddr().mFields.m16[2]),