diff --git a/README.md b/README.md
index 1a9e493..447dc11 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,6 @@ So I went and wrote one.
 * Allow per-monitor scaling
 * Allow arbitrary monitor positioning
 * Implement "scale everything so all the pixels are the same size" (not done yet)
-* Support rotation (not there yet)
 
 ## To try:
 
diff --git a/main.py b/main.py
index 9d40e9f..0d6914f 100644
--- a/main.py
+++ b/main.py
@@ -99,9 +99,6 @@ class Window(QObject):
         self.ui.resetButton.clicked.connect(self.do_reset)
         self.ui.cancelButton.clicked.connect(self.ui.reject)
 
-    def orientation_changed(self):
-        print('Orientation: ', self.ui.orientationCombo.currentIndex())
-
     def do_reset(self):
         for n in self.xrandr_info:
             self.xrandr_info[n].update(self.orig_xrandr_info[n])
@@ -131,6 +128,12 @@ class Window(QObject):
         self.adjust_view()
         self.scale_changed()  # Trigger scale labels update
 
+    def orientation_changed(self):
+        mon = self.ui.screenCombo.currentText()
+        orientation = self.ui.orientationCombo.currentIndex()
+        self.xrandr_info[mon]["orientation"] = orientation
+        self.mode_changed()
+
     def mode_changed(self):
         mon = self.ui.screenCombo.currentText()
         mode = self.ui.modes.currentText()