src/java.desktop/macosx/native/libawt_lwawt/awt/CRobot.m

@@ -322,11 +322,11 @@
     jint picY = y;
     jint picWidth = width;
     jint picHeight = height;
 
     CGRect screenRect = CGRectMake(picX / scale, picY / scale,
-                                picWidth / scale, picHeight / scale);
+                                picWidth / scale, picHeight / scale);
     CGImageRef screenPixelsImage = CGWindowListCreateImage(screenRect,
                                         kCGWindowListOptionOnScreenOnly,
                                         kCGNullWindowID, kCGWindowImageBestResolution);
 
     if (screenPixelsImage == NULL) {