diff --git a/WifiControlSensor/BMP180.ino b/WifiControlSensor/BMP180.ino
index 03634e3..cc7c008 100644
--- a/WifiControlSensor/BMP180.ino
+++ b/WifiControlSensor/BMP180.ino
@@ -1,3 +1,6 @@
+// Get Current altitude with http://fr.mygeoposition.com/
+#define ALTITUDE 130
+
 SFE_BMP180 bmp180;
 int bmp180Connected = 0;
 
@@ -32,8 +35,10 @@ int BMP180GetTempAndPressure(double &t, double &p) {
     {
       delay(status);
       status = bmp180.getPressure(p, t);
-      if (status != 0)
+      if (status != 0){
+        p = bmp180.sealevel(p, ALTITUDE);
         return 0;
+      }
     }
   }
   return -1;