diff --git a/src/OpenLayers/Controls/ElevationPath.js b/src/OpenLayers/Controls/ElevationPath.js
index 386e872b..d859ea3b 100644
--- a/src/OpenLayers/Controls/ElevationPath.js
+++ b/src/OpenLayers/Controls/ElevationPath.js
@@ -1384,8 +1384,10 @@ var ElevationPath = (function (Control) {
         // Calcul de la distance au départ pour chaque point + arrondi des lat/lon
         _data[0].dist = 0;
         _data[0].slope = 0;
-        _data[0].lat = Math.round(_data[0].lat * 10000) / 10000;
-        _data[0].lon = Math.round(_data[0].lon * 10000) / 10000;
+        _data[0].oldlat = _data[0].lat;
+        _data[0].oldlon = _data[0].lon;
+        _data[0].lat = Math.round(_data[0].lat * 100000) / 100000;
+        _data[0].lon = Math.round(_data[0].lon * 100000) / 100000;
 
         var _distanceMinus = 0;
         var _distancePlus = 0;
@@ -1398,7 +1400,7 @@ var ElevationPath = (function (Control) {
 
         for (var i = 1; i < _data.length; i++) {
             var a = [_data[i].lon, _data[i].lat];
-            var distanceToPrevious = olGetDistanceSphere(a, [_data[i-1].lon, _data[i-1].lat]);
+            var distanceToPrevious = olGetDistanceSphere(a, [_data[i-1].oldlon, _data[i-1].oldlat]);
             var dist = distanceToPrevious + _distance;
 
             var za = _data[i].z;
@@ -1439,8 +1441,10 @@ var ElevationPath = (function (Control) {
                 _data[i].color = "#00B798";
             }
 
-            _data[i].lat = Math.round(_data[i].lat * 10000) / 10000;
-            _data[i].lon = Math.round(_data[i].lon * 10000) / 10000;
+            _data[i].oldlat = _data[i].lat;
+            _data[i].oldlon = _data[i].lon;
+            _data[i].lat = Math.round(_data[i].lat * 100000) / 100000;
+            _data[i].lon = Math.round(_data[i].lon * 100000) / 100000;
         }
 
         // check distance totale