diff --git a/klippy/extras/z_tilt.py b/klippy/extras/z_tilt.py
index db8f76dd..5086c7f0 100644
--- a/klippy/extras/z_tilt.py
+++ b/klippy/extras/z_tilt.py
@@ -23,7 +23,7 @@ class ZTilt:
         if len(z_positions) < 2:
             raise config.error("z_tilt requires at least two z_positions")
         self.probe_helper = probe.ProbePointsHelper(config, self.probe_finalize)
-        self.probe_helper.minimum_points(3)
+        self.probe_helper.minimum_points(2)
         self.z_steppers = []
         # Register Z_TILT_ADJUST command
         self.gcode = self.printer.lookup_object('gcode')