diff --git a/appveyor.yml b/appveyor.yml
index b090aeea0..d943306dc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -46,6 +46,7 @@ deploy_script:
 on_success:
 - ps: 
 on_failure:
-  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
+- ps:
+#  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
 on_finish:
 - ps:
diff --git a/xs/src/libslic3r/Point.hpp b/xs/src/libslic3r/Point.hpp
index 4ffe1ddfc..d52e31aaf 100644
--- a/xs/src/libslic3r/Point.hpp
+++ b/xs/src/libslic3r/Point.hpp
@@ -35,7 +35,9 @@ class Point
     coord_t y;
     constexpr Point(coord_t _x = 0, coord_t _y = 0): x(_x), y(_y) {};
     constexpr Point(int _x, int _y): x(_x), y(_y) {};
+    #ifndef _WIN32
     constexpr Point(long long _x, long long _y): x(_x), y(_y) {};  // for Clipper
+    #endif 
     Point(double x, double y);
     static constexpr Point new_scale(coordf_t x, coordf_t y) {
         return Point(scale_(x), scale_(y));
@@ -184,9 +186,10 @@ scale(const std::vector<Pointf>&in ) {
 #include <boost/version.hpp>
 #include <boost/polygon/polygon.hpp>
 namespace boost { namespace polygon {
+#ifndef _WIN32
     template <>
     struct geometry_concept<coord_t> { typedef coordinate_concept type; };
-    
+#endif     
 /* Boost.Polygon already defines a specialization for coordinate_traits<long> as of 1.60:
    https://github.com/boostorg/polygon/commit/0ac7230dd1f8f34cb12b86c8bb121ae86d3d9b97 */
 #if BOOST_VERSION < 106000
diff --git a/xs/src/libslic3r/libslic3r.h b/xs/src/libslic3r/libslic3r.h
index 892330e62..da6aaa7ce 100644
--- a/xs/src/libslic3r/libslic3r.h
+++ b/xs/src/libslic3r/libslic3r.h
@@ -9,6 +9,7 @@
 #include <sstream>
 #include <vector>
 #include <boost/thread.hpp>
+#include <cstdint>
 
 /* Implementation of CONFESS("foo"): */
 #ifdef _MSC_VER
@@ -47,8 +48,13 @@ constexpr auto SLIC3R_VERSION = "1.3.1-dev";
 #define BUILD_COMMIT VER_(SLIC3R_BUILD_COMMIT)
 #endif
 
+#ifdef _WIN32
+typedef int64_t coord_t;
+typedef double coordf_t;
+#else 
 typedef long coord_t;
 typedef double coordf_t;
+#endif
 
 // Scaling factor for a conversion from coord_t to coordf_t: 10e-6
 // This scaling generates a following fixed point representation with for a 32bit integer:
diff --git a/xs/xsp/Point.xsp b/xs/xsp/Point.xsp
index 60a4864e3..f66c835ae 100644
--- a/xs/xsp/Point.xsp
+++ b/xs/xsp/Point.xsp
@@ -2,13 +2,14 @@
 
 %{
 #include <xsinit.h>
+#include "libslic3r/libslic3r.h"
 #include "libslic3r/Point.hpp"
 #include "libslic3r/Polygon.hpp"
 #include "libslic3r/Polyline.hpp"
 %}
 
 %name{Slic3r::Point} class Point {
-    Point(long _x = 0, long _y = 0);
+    Point(coord_t _x = 0, coord_t _y = 0);
     ~Point();
     Clone<Point> clone()
         %code{% RETVAL=THIS; %};