diff --git a/src/lvmguider/guider.py b/src/lvmguider/guider.py
index 903d43b..faf1a3b 100644
--- a/src/lvmguider/guider.py
+++ b/src/lvmguider/guider.py
@@ -159,6 +159,7 @@ def set_pixel(self, pixel_x: float | None = None, pixel_z: float | None = None):
             # towards a new target position.
             self.command.actor.status |= GuiderStatus.DRIFTING
             self.pixel = new_pixel
+            self.set_reference_frames()
 
         return self.pixel