diff --git a/FlatCAMApp.py b/FlatCAMApp.py
index cc39a257..1dbc830c 100644
--- a/FlatCAMApp.py
+++ b/FlatCAMApp.py
@@ -5577,10 +5577,15 @@ class App(QtCore.QObject):
             # window drawn with OpenGL in fullscreen will not show any other windows on top which means that menus and
             # everything else will not work without this hack. This happen in Windows.
             # https://bugreports.qt.io/browse/QTBUG-41309
-            rec = QtWidgets.QApplication.desktop().screenGeometry()
+            desktop = QtWidgets.QApplication.desktop()
+            screen = desktop.screenNumber(QtGui.QCursor.pos())
+
+            rec = desktop.screenGeometry(screen)
+            x = rec.x() - 1
+            y = rec.y() - 1
             h = rec.height() + 2
             w = rec.width() + 2
-            self.ui.setGeometry(-1, -1, w, h)
+            self.ui.setGeometry(x, y, w, h)
             self.ui.show()
 
             for tb in self.ui.findChildren(QtWidgets.QToolBar):
diff --git a/README.md b/README.md
index 9d7e72e0..d9ed7ed0 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,10 @@ CAD program, and create G-Code for Isolation routing.
 
 =================================================
 
+24.09.2019
+
+- fixed the fullscreen method to show the application window in fullscreen wherever the mouse pointer it is therefore on the screen we are working on; before it was showing always on the primary screen
+
 23.09.2019
 
 - in legacy graphic engine, fixed bug that made the old object disappear when a new object was loaded