diff --git a/pyrandr/randr.py b/pyrandr/randr.py
index 8fd7f32..01aa100 100755
--- a/pyrandr/randr.py
+++ b/pyrandr/randr.py
@@ -176,6 +176,7 @@ def build_cmd(self):
                 raise ValueError('Invalid rotation value',
                                  rot, self.set.rotation)
             cmd.extend(['--rotate', rot])
+            self.rotation = self.set.rotation
             has_changed = True
 
         if self.set.position: