diff --git a/src/java/org/lwjgl/input/Cursor.java b/src/java/org/lwjgl/input/Cursor.java
index 3d177197..9128bfe4 100644
--- a/src/java/org/lwjgl/input/Cursor.java
+++ b/src/java/org/lwjgl/input/Cursor.java
@@ -77,6 +77,7 @@ public class Cursor {
 		if (!initialized) {
 			initialize();
 		}
+		yHotspot = height - 1 - yHotspot;
 		assert Mouse.isCreated();
 		assert width*height*numImages <= images.remaining(): "width*height*numImages > images.remaining()";
 		assert delays == null || numImages <= delays.remaining(): "delays != null && numImages > delays.remaining()";
@@ -84,7 +85,7 @@ public class Cursor {
 		assert yHotspot < height && yHotspot >= 0: "yHotspot > height || yHotspot < 0";
                 IntBuffer images_copy = ByteBuffer.allocateDirect(images.remaining()*4).order(ByteOrder.nativeOrder()).asIntBuffer();
 		flipImages(width, height, numImages, images, images_copy);
-		nativeHandle = nCreateCursor(width, height, xHotspot, height - yHotspot, numImages, images_copy, 0, delays, delays != null ? delays.position() : 0);
+		nativeHandle = nCreateCursor(width, height, xHotspot, yHotspot, numImages, images_copy, 0, delays, delays != null ? delays.position() : 0);
 	}
 	
 	private static void initialize() {
diff --git a/src/native/linux/org_lwjgl_input_Mouse.cpp b/src/native/linux/org_lwjgl_input_Mouse.cpp
index 26b4a976..f5638317 100644
--- a/src/native/linux/org_lwjgl_input_Mouse.cpp
+++ b/src/native/linux/org_lwjgl_input_Mouse.cpp
@@ -45,7 +45,6 @@
 #include <X11/extensions/xf86vmode.h>
 #include <assert.h>
 #include <string.h>
-#include <math.h>
 #include <Window.h>
 #include "org_lwjgl_input_Mouse.h"
 #include "extxcursor.h"
@@ -92,11 +91,14 @@ static void setCursorPos(int x, int y) {
 	current_y = cap(y, 0, getWindowHeight() - 1);
 }
 
-static void centerCursor() {
+static void transformCursorPos(int x, int y) {
 	// transform to OpenGL coordinate system center
-	int x = getWindowWidth()/2;
-	int y = (int)ceil(getWindowHeight()/2.0f);
+	y = getWindowHeight() - 1 - y;
 	setCursorPos(x, y);
+}
+
+static void centerCursor() {
+	transformCursorPos(getWindowWidth()/2, getWindowHeight()/2);
 	last_x = current_x;
 	last_y = current_y;
 }
diff --git a/src/native/win32/org_lwjgl_input_Mouse.cpp b/src/native/win32/org_lwjgl_input_Mouse.cpp
index 0de461a6..fe5e66db 100644
--- a/src/native/win32/org_lwjgl_input_Mouse.cpp
+++ b/src/native/win32/org_lwjgl_input_Mouse.cpp
@@ -41,7 +41,6 @@
 #define WIN32_LEAN_AND_MEAN
 #include "org_lwjgl_input_Mouse.h"
 #include <windows.h>
-#include <math.h>
 #undef  DIRECTINPUT_VERSION
 #define DIRECTINPUT_VERSION 0x0300
 #include "Window.h"
@@ -175,7 +174,7 @@ JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nSetNativeCursor
 			GetWindowRect(hwnd, &windowRect);
 			getScreenClientRect(&clientRect, &windowRect);
 			cursorPos.x = (clientRect.left + clientRect.right)/2;
-			cursorPos.y = (int)ceil((clientRect.top + clientRect.bottom)/2.0f);
+			cursorPos.y = clientRect.bottom - 1 - (clientRect.bottom - clientRect.top)/2;
 			SetCursorPos(cursorPos.x, cursorPos.y);
 			ShowCursor(TRUE);
 			usingNativeCursor = true;