diff --git a/src/haven/devices/xray_source.py b/src/haven/devices/xray_source.py
index 8b7613d6..06919502 100644
--- a/src/haven/devices/xray_source.py
+++ b/src/haven/devices/xray_source.py
@@ -115,7 +115,7 @@ def __init__(self, prefix: str, name: str = ""):
                 actuate_signal=self.start_button,
                 stop_signal=self.stop_button,
                 done_signal=self.busy,
-                min_move=0.002,
+                min_move=0.010,
             )
             self.energy_taper = UndulatorPositioner(
                 prefix=f"{prefix}TaperEnergy",