diff --git a/rigs/tentec/omnivii.c b/rigs/tentec/omnivii.c
index 6fb0f5f8f..1593ec69f 100644
--- a/rigs/tentec/omnivii.c
+++ b/rigs/tentec/omnivii.c
@@ -127,7 +127,7 @@ const struct rig_caps tt588_caps =
     RIG_MODEL(RIG_MODEL_TT588),
     .model_name = "TT-588 Omni VII",
     .mfg_name =  "Ten-Tec",
-    .version =  "20220618.0",
+    .version =  "20220620.0",
     .copyright =  "LGPL",
     .status =  RIG_STATUS_STABLE,
     .rig_type =  RIG_TYPE_TRANSCEIVER,
@@ -881,8 +881,7 @@ int tt588_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
         return -RIG_EINVAL;
     }
 
-    retval = tt588_transaction(rig, (char *) cmdbuf, 4, NULL,
-                               NULL);
+    retval = tt588_transaction(rig, (char *) cmdbuf, 5, NULL, NULL);
 
     if (retval != RIG_OK)
     {