diff --git a/src/service/toks_service_start.c b/src/service/toks_service_start.c
index 8fefc82..9b32935 100644
--- a/src/service/toks_service_start.c
+++ b/src/service/toks_service_start.c
@@ -50,6 +50,7 @@ static int toks_spawn_impl(
 	char				tokbuf[32];
 	char				pidbuf[32];
 	char				logbuf[32];
+	char				guidstr[40];
 	void *				hduo[2];
 
 	/* init */
@@ -83,6 +84,12 @@ static int toks_spawn_impl(
 	*pearg++ = "-O";
 	*pearg++ = logbuf;
 
+	if (cctx->uuid) {
+		toks_guid_to_string(cctx->uuid,&guidstr);
+		*pearg++ = "-u";
+		*pearg++ = guidstr;
+	}
+
 	if (ctrlpid) {
 		ntapi->sprintf(pidbuf,"%d",ctrlpid);
 		*pearg++ = "-l";