diff --git a/rigs/icom/icom.c b/rigs/icom/icom.c
index 6f3e187cd..7d1d7eb96 100644
--- a/rigs/icom/icom.c
+++ b/rigs/icom/icom.c
@@ -6579,7 +6579,7 @@ int icom_set_func(RIG *rig, vfo_t vfo, setting_t func, int status)
 
     case RIG_FUNC_DUAL_WATCH:
         fct_cn = C_SET_VFO;
-        fct_sc = S_DUAL;
+        fct_sc = status ? S_DUAL_ON : S_DUAL_OFF;
         break;
 
     case RIG_FUNC_SATMODE: