diff --git a/src/geo/pigeoposition.cpp b/src/geo/pigeoposition.cpp
index f7f240a5..f658b83e 100644
--- a/src/geo/pigeoposition.cpp
+++ b/src/geo/pigeoposition.cpp
@@ -382,10 +382,10 @@ double PIGeoPosition::radiusEarth(double geolat, PIEllipsoidModel ell) {
 }
 
 
-PIGeoPosition &PIGeoPosition::operator=(const PIGeoPosition &v) {
-	*((PIMathVectorT3d*)(this)) = *((PIMathVectorT3d*)&v);
-	return *this;
-}
+//PIGeoPosition &PIGeoPosition::operator=(const PIGeoPosition &v) {
+//	*((PIMathVectorT3d*)(this)) = *((PIMathVectorT3d*)&v);
+//	return *this;
+//}
 
 
 PIGeoPosition &PIGeoPosition::operator=(const PIMathVectorT3d &v) {
diff --git a/src/geo/pigeoposition.h b/src/geo/pigeoposition.h
index 9810a5d3..388c5348 100644
--- a/src/geo/pigeoposition.h
+++ b/src/geo/pigeoposition.h
@@ -138,7 +138,7 @@ public:
 	/// Computes the radius of curvature in the prime vertical (Rn) corresponding to this PIGeoPosition.
 	double getCurvPrimeVertical() const;
 
-	PIGeoPosition &operator=(const PIGeoPosition & v);
+//	PIGeoPosition &operator=(const PIGeoPosition & v);
 	PIGeoPosition &operator=(const PIMathVectorT3d & v);
 	PIGeoPosition &operator-=(const PIGeoPosition &right);
 	PIGeoPosition &operator+=(const PIGeoPosition &right);