diff --git a/src/log/toks_log_lpc_request.c b/src/log/toks_log_lpc_request.c
index adf4219..1981da4 100644
--- a/src/log/toks_log_lpc_request.c
+++ b/src/log/toks_log_lpc_request.c
@@ -14,6 +14,9 @@
 
 static const char toks_error_str[]      = "#ERROR";
 
+static const char toks_internal_msg[]   = "internal LPC message";
+static const char toks_external_msg[]   = "external LPC message";
+
 static const char * toks_lpc_msg_str[]  = {
 	[NT_LPC_NEW_MESSAGE]            = "NT_LPC_NEW_MESSAGE",
 	[NT_LPC_REQUEST]                = "NT_LPC_REQUEST",
@@ -48,6 +51,13 @@ static const char * toks_lpc_msg_type_desc(unsigned msgtype)
 		return toks_error_str;
 }
 
+static const char * toks_lpc_msg_source_desc(uintptr_t syspid)
+{
+	return (syspid == pe_get_current_process_id())
+		? toks_internal_msg
+		: toks_external_msg;
+}
+
 void toks_log_lpc_request(
 	struct toks_daemon_ctx * dctx,
 	const nt_tty_port_msg *  msg)
@@ -68,9 +78,10 @@ void toks_log_lpc_request(
 	toks_log_header(
 		drvctx,
 		TOKS_LOG_ENTRY_SERVER_INFO,
-		"LPC message from %s (syspid %d, systid %d), "
+		"%s from %s (syspid %d, systid %d), "
 		"data_size=%u, msg_size=%u, "
 		"msg_type=%u (%s), msg_id=%u\n",
+		toks_lpc_msg_source_desc(msg->header.client_id.process_id),
 		toks_log_basename(path),
 		cid.process_id,
 		cid.thread_id,