diff --git a/src/service/toks_service_start.c b/src/service/toks_service_start.c
index f4523dc..5a7825e 100644
--- a/src/service/toks_service_start.c
+++ b/src/service/toks_service_start.c
@@ -46,6 +46,7 @@ static int toks_spawn_impl(
 	char *				eargv[10];
 	char				tokbuf[32];
 	char				pidbuf[32];
+	char				logbuf[32];
 
 	/* init */
 	self = toks_get_driver_rtdata(dctx);
@@ -74,6 +75,10 @@ static int toks_spawn_impl(
 	*pearg++ = "-t";
 	*pearg++ = tokbuf;
 
+	ntapi->sprintf(logbuf,"%d",cctx->loglevel);
+	*pearg++ = "-O";
+	*pearg++ = logbuf;
+
 	if (ctrlpid) {
 		ntapi->sprintf(pidbuf,"%d",ctrlpid);
 		*pearg++ = "-p";