diff --git a/src/java/org/lwjgl/opengl/MacOSXDisplay.java b/src/java/org/lwjgl/opengl/MacOSXDisplay.java
index 65b5f900..a83a6657 100644
--- a/src/java/org/lwjgl/opengl/MacOSXDisplay.java
+++ b/src/java/org/lwjgl/opengl/MacOSXDisplay.java
@@ -121,6 +121,10 @@ final class MacOSXDisplay implements DisplayImplementation {
 	private native void nResizeWindow(ByteBuffer window_handle, int x, int y, int width, int height);
     
 	private native boolean nWasResized(ByteBuffer window_handle);
+	
+	private native int nGetWidth(ByteBuffer window_handle);
+	
+	private native int nGetHeight(ByteBuffer window_handle);
     
 	private static boolean isUndecorated() {
 		return Display.getPrivilegedBoolean("org.lwjgl.opengl.Window.undecorated");
@@ -561,11 +565,11 @@ final class MacOSXDisplay implements DisplayImplementation {
 	}
 
 	public int getWidth() {
-        return width;
+        return nGetWidth(window);
 	}
-
+	
 	public int getHeight() {
-        return height;
+        return nGetHeight(window);
 	}
 
     public boolean isInsideWindow() {
diff --git a/src/native/macosx/org_lwjgl_opengl_Display.m b/src/native/macosx/org_lwjgl_opengl_Display.m
index 801d25d1..8f4d355c 100644
--- a/src/native/macosx/org_lwjgl_opengl_Display.m
+++ b/src/native/macosx/org_lwjgl_opengl_Display.m
@@ -370,6 +370,18 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_nWasResized(JNIEn
     return was_resized;
 }
 
+JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_nGetWidth(JNIEnv *env, jobject this, jobject window_handle) {
+	MacOSXWindowInfo *window_info = (MacOSXWindowInfo *)(*env)->GetDirectBufferAddress(env, window_handle);
+    jint width = window_info->display_rect.size.width;
+    return width;
+}
+
+JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_nGetHeight(JNIEnv *env, jobject this, jobject window_handle) {
+	MacOSXWindowInfo *window_info = (MacOSXWindowInfo *)(*env)->GetDirectBufferAddress(env, window_handle);
+    jint height = window_info->display_rect.size.height;
+    return height;
+}
+
 JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_nSetResizable(JNIEnv *env, jobject this, jobject window_handle, jboolean resizable) {
 	MacOSXWindowInfo *window_info = (MacOSXWindowInfo *)(*env)->GetDirectBufferAddress(env, window_handle);
     NSUInteger style_mask = [window_info->window styleMask];