diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index c7f8622711..59a0a4d51f 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -41,7 +41,8 @@ if (WIN32)
     # this bit of #define GLdouble GLdouble is to fix up a mismatch between windows and the Qt versions of open GL.
     # this will cause the QT versions to not accidentally define GLdouble as a float.
     # undeffing NOMINMAX is because the Qt stuff doesn't safely check that that isn't already defined.
-    set(GL_HEADERS "#undef NOMINMAX\n#define GLdouble GLdouble\n#include <GL/glut.h>")
+	# need to add #define GL_DOUBLE
+    set(GL_HEADERS "#include <windowshacks.h>\n#include <GL/glut.h>")
 endif (WIN32)
 
 # set up the external glm library
diff --git a/interface/src/PieMenu.cpp b/interface/src/PieMenu.cpp
index 66216328af..d62d0447e1 100644
--- a/interface/src/PieMenu.cpp
+++ b/interface/src/PieMenu.cpp
@@ -74,7 +74,7 @@ void PieMenu::render() {
     glColor3f(1.0f, 1.0f, 1.0f);
 
     if (_radiusIntern < distance) {
-        float angle = atan2((_mouseY - _y), (_mouseX - _x)) - start;
+        float angle = atan2((float)(_mouseY - _y), (float)(_mouseX - _x)) - start;
         angle = (0.0f < angle) ? angle : angle + 2.0f * M_PI;
 
         _selectedAction = floor(angle / (2.0f * M_PI / _actions.size()));
diff --git a/interface/src/starfield/renderer/Tiling.h b/interface/src/starfield/renderer/Tiling.h
index 53b17a9844..d4a1446690 100755
--- a/interface/src/starfield/renderer/Tiling.h
+++ b/interface/src/starfield/renderer/Tiling.h
@@ -12,12 +12,12 @@
 #include "starfield/Config.h"
 
 namespace starfield {
-    const float LOG2 = 1.4426950408889634;
+    const float LOG2 = 1.4426950408889634f;
     
     class Tiling {
     public:
         Tiling(unsigned tileResolution) : _tileResolution(tileResolution), _rcpSlice(tileResolution / Radians::twicePi()) {
-                                    _nBits = ceil(log(getTileCount()) * LOG2); }
+                                    _nBits = ceil(log((float)getTileCount()) * LOG2); }
         
         unsigned getAzimuthalTiles() const { return _tileResolution; }
         unsigned getAltitudinalTiles() const { return _tileResolution / 2 + 1; }
diff --git a/interface/src/windowshacks.h b/interface/src/windowshacks.h
index 7c7b186f6b..9a2970db1a 100644
--- a/interface/src/windowshacks.h
+++ b/interface/src/windowshacks.h
@@ -11,6 +11,11 @@
 #ifndef __hifi__windowshacks__
 #define __hifi__windowshacks__
 
+#undef NOMINMAX
+#define GLdouble GLdouble
 #define GL_DOUBLE 0x140A
+#define GL_VERTEX_PROGRAM_POINT_SIZE_ARB 0x8642
+#define GL_RESCALE_NORMAL 0x803A
+
 
 #endif // __hifi__windowshacks__
\ No newline at end of file