diff --git a/src/bin/calaos_server/IO/Mqtt/MqttOutputLightRGB.cpp b/src/bin/calaos_server/IO/Mqtt/MqttOutputLightRGB.cpp
index 33540457..6c3404b2 100644
--- a/src/bin/calaos_server/IO/Mqtt/MqttOutputLightRGB.cpp
+++ b/src/bin/calaos_server/IO/Mqtt/MqttOutputLightRGB.cpp
@@ -30,7 +30,7 @@ MqttOutputLightRGB::MqttOutputLightRGB(Params &p):
     OutputLightRGB(p)
 {
     // We use real state for this IO: only emit change when the value really changes
-    useRealState = true;
+    //useRealState = true;
 
     // Define IO documentation
     ioDoc->friendlyNameSet("MqttOutputLightRGB");
@@ -58,12 +58,11 @@ void MqttOutputLightRGB::readValue()
     bool err;
     auto c = ctrl->getValueColor(get_params(), err);
 
-    if (!err)
-    {
-        color = c;
-        EmitSignalIO();
-        emitChange();
-    }
+    //TODO: it does not work for now. We need to refactor the way it handle color+state in all
+    //RGB class and also add better state/color/brightness control in calaos
+
+    //if (!err)
+        //stateUpdated(c, c != ColorValue(0, 0, 0));
 }
 
 void MqttOutputLightRGB::setColorReal(const ColorValue &c, bool _state)
diff --git a/src/bin/calaos_server/IO/OutputLightRGB.cpp b/src/bin/calaos_server/IO/OutputLightRGB.cpp
index 3b7a23e3..57854a81 100644
--- a/src/bin/calaos_server/IO/OutputLightRGB.cpp
+++ b/src/bin/calaos_server/IO/OutputLightRGB.cpp
@@ -318,12 +318,17 @@ void OutputLightRGB::TimerAutoChange()
 
 void OutputLightRGB::stateUpdated(const ColorValue &c, bool s)
 {
-    color = c;
+    bool hasChanged = false;
+    if (s != state || c != color)
+        hasChanged = true;
+    
     state = s;
+    color = c;
     cmd_state = "set " + get_value_string();
 
     EmitSignalIO();
-    emitChange();
+    if (hasChanged)
+        emitChange();
 }
 
 bool OutputLightRGB::check_condition_value(std::string cvalue, bool equal)
diff --git a/src/bin/calaos_server/IO/Wago/WODaliRVB.cpp b/src/bin/calaos_server/IO/Wago/WODaliRVB.cpp
index 92b11467..9a83a277 100644
--- a/src/bin/calaos_server/IO/Wago/WODaliRVB.cpp
+++ b/src/bin/calaos_server/IO/Wago/WODaliRVB.cpp
@@ -155,7 +155,7 @@ void WODaliRVB::checkReadState()
                  double(green) * 255. / 100.,
                  double(blue) * 255. / 1000.);
 
-    stateUpdated(c, red != 0 || green != 0 || blue != 0);
+    stateUpdated(c, red != 0 && green != 0 && blue != 0);
 }
 
 void WODaliRVB::WagoUDPCommand_cb(bool status, string command, string)