diff --git a/lib/iictask/GwIicSensors.h b/lib/iictask/GwIicSensors.h
index a9465d5..49fe2fe 100644
--- a/lib/iictask/GwIicSensors.h
+++ b/lib/iictask/GwIicSensors.h
@@ -108,9 +108,15 @@ void sendN2kEnvironmentalParameters(GwApi *api,CFG &cfg,double tmValue, double h
     tN2kMsg msg;
     SetN2kEnvironmentalParameters(msg,1,cfg.tmSrc,tmValue,cfg.huSrc,huValue,prValue);
     api->sendN2kMessage(msg);
-    api->increment(counterId,cfg.prefix+String("hum"));
-    api->increment(counterId,cfg.prefix+String("press"));
-    api->increment(counterId,cfg.prefix+String("temp"));
+    if (huValue != N2kDoubleNA){
+        api->increment(counterId,cfg.prefix+String("ehum"));
+    }
+    if (prValue != N2kDoubleNA){
+        api->increment(counterId,cfg.prefix+String("epress"));
+    }
+    if (tmValue != N2kDoubleNA){
+        api->increment(counterId,cfg.prefix+String("etemp"));
+    }
 }
 
 #ifndef _GWI_IIC1
diff --git a/lib/iictask/GwQMP6988.cpp b/lib/iictask/GwQMP6988.cpp
index 12b648f..1638907 100644
--- a/lib/iictask/GwQMP6988.cpp
+++ b/lib/iictask/GwQMP6988.cpp
@@ -10,6 +10,8 @@ class QMP6988Config : public IICSensorBase{
         String prNam="Pressure";
         bool prAct=true;
         bool sEnv=true;
+        tN2kTempSource tmSrc=tN2kTempSource::N2kts_InsideTemperature;
+        tN2kHumiditySource huSrc=tN2kHumiditySource::N2khs_Undef;
         tN2kPressureSource prSrc=tN2kPressureSource::N2kps_Atmospheric;
         float prOff=0;
         QMP6988 *device=nullptr;
@@ -40,6 +42,7 @@ class QMP6988Config : public IICSensorBase{
             float computed=pressure+prOff;
             LOG_DEBUG(GwLog::DEBUG,"%s measure %2.0fPa, computed %2.0fPa",prefix.c_str(), pressure,computed);
             sendN2kPressure(api,*this,computed,counterId);
+            sendN2kEnvironmentalParameters(api,*this,N2kDoubleNA,N2kDoubleNA,computed,counterId);
         }