diff --git a/klippy/kinematics/corexy.py b/klippy/kinematics/corexy.py
index e7ab2f24..98db27eb 100644
--- a/klippy/kinematics/corexy.py
+++ b/klippy/kinematics/corexy.py
@@ -28,8 +28,9 @@ class CoreXYKinematics:
         # Setup stepper max halt velocity
         max_halt_velocity = toolhead.get_max_axis_halt()
         max_xy_halt_velocity = max_halt_velocity * math.sqrt(2.)
-        self.rails[0].set_max_jerk(max_xy_halt_velocity, max_accel)
-        self.rails[1].set_max_jerk(max_xy_halt_velocity, max_accel)
+        max_xy_accel = max_accel * math.sqrt(2.)
+        self.rails[0].set_max_jerk(max_xy_halt_velocity, max_xy_accel)
+        self.rails[1].set_max_jerk(max_xy_halt_velocity, max_xy_accel)
         self.rails[2].set_max_jerk(
             min(max_halt_velocity, self.max_z_velocity), self.max_z_accel)
     def get_steppers(self, flags=""):