diff --git a/src/tcpcheck.c b/src/tcpcheck.c
index 1663ad8..abd92cf 100644
--- a/src/tcpcheck.c
+++ b/src/tcpcheck.c
@@ -2224,7 +2224,7 @@
 				goto error;
 			}
 
-			sk = str2sa_range(args[cur_arg+1], NULL, &port1, &port2, errmsg, NULL, NULL, PA_O_RESOLVE | PA_O_PORT_OK);
+			sk = str2sa_range(args[cur_arg+1], NULL, &port1, &port2, errmsg, NULL, NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_STREAM);
 			if (!sk) {
 				memprintf(errmsg, "'%s' : %s.", args[cur_arg], *errmsg);
 				goto error;