diff --git a/sw/ground_segment/cockpit/live.ml b/sw/ground_segment/cockpit/live.ml
index b6118f14c6..c1f9183845 100644
--- a/sw/ground_segment/cockpit/live.ml
+++ b/sw/ground_segment/cockpit/live.ml
@@ -537,7 +537,7 @@ let create_ac = fun alert (geomap:G.widget) (acs_notebook:GPack.notebook) (ac_id
       Xml.Element("empty", [], [])
   in
   let dl_setting_callback = fun idx value ->
-    if classify_float value = FP_normal then
+    if classify_float value = FP_normal ||  classify_float value = FP_zero then
       dl_setting ac_id idx value
     else
       get_dl_setting ac_id idx
diff --git a/sw/ground_segment/tmtc/settings.ml b/sw/ground_segment/tmtc/settings.ml
index 74a8d7f0ce..3424396e33 100644
--- a/sw/ground_segment/tmtc/settings.ml
+++ b/sw/ground_segment/tmtc/settings.ml
@@ -47,7 +47,7 @@ let one_ac = fun (notebook:GPack.notebook) ac_name ->
     let callback = fun idx value ->
       
       let vs = ["ac_id", Pprz.String ac_id; "index", Pprz.Int idx] in
-      if classify_float value = FP_normal then
+      if classify_float value = FP_normal || classify_float value =FP_zero then
 	let vs' = ("value", Pprz.Float value) :: vs in
 	Ground_Pprz.message_send "dl" "DL_SETTING" vs'
       else