diff --git a/piqt/piqt.cpp b/piqt/piqt.cpp
index bf45d1a..76e14c8 100644
--- a/piqt/piqt.cpp
+++ b/piqt/piqt.cpp
@@ -1,6 +1,8 @@
 #include "piqt.h"
 #include "qvariantedit.h"
-#include <QGeoCoordinate>
+#if QT_VERSION >= 0x050200
+#  include <QGeoCoordinate>
+#endif
 
 
 const QAD::Enum PI2QADEnum(const PIVariantTypes::Enum & el) {
@@ -123,6 +125,7 @@ const PIVariantTypes::Dir QAD2PIDir(const QAD::Dir & v) {
 }
 
 
+#if QT_VERSION >= 0x050200
 const QGeoCoordinate PI2QGeoPosition(const PIGeoPosition & v) {
 	PIGeoPosition p(v);
 	p.transformTo(PIGeoPosition::Cartesian);
@@ -135,3 +138,4 @@ const QGeoCoordinate PI2QGeoPosition(const PIGeoPosition & v) {
 const PIGeoPosition Q2PIGeoPosition(const QGeoCoordinate & v) {
 	return PIGeoPosition(createVectorT3d(v.latitude(), v.longitude(), v.altitude()), PIGeoPosition::Geodetic);
 }
+#endif
diff --git a/piqt/piqt.h b/piqt/piqt.h
index 56d9cdb..1960a9c 100644
--- a/piqt/piqt.h
+++ b/piqt/piqt.h
@@ -3,11 +3,13 @@
 
 #include "pimathmatrix.h"
 #include "pipropertystorage.h"
-#include "pigeoposition.h"
 #include "qad_types.h"
 #include <QVector3D>
 #include <QDateTime>
 #include <QColor>
+#if QT_VERSION >= 0x050200
+#  include "pigeoposition.h"
+#endif
 
 
 class QGeoCoordinate;
@@ -114,8 +116,10 @@ const PIVariantTypes::IODevice QAD2PIIODevice(const QAD::IODevice & v);
 
 //inline const PIVariant QString2PIVariant(const QString & v) {return PIVariant::readFromString(QString2PIString(v));}
 
+#if QT_VERSION >= 0x050200
 const QGeoCoordinate PI2QGeoPosition(const PIGeoPosition & v);
 const PIGeoPosition Q2PIGeoPosition(const QGeoCoordinate & v);
+#endif
 
 template <typename From>
 class __PIQtConverter {