diff --git a/klippy/extras/z_tilt.py b/klippy/extras/z_tilt.py
index f8a8c718..72c33831 100644
--- a/klippy/extras/z_tilt.py
+++ b/klippy/extras/z_tilt.py
@@ -127,15 +127,8 @@ class RetryHelper:
 class ZTilt:
     def __init__(self, config):
         self.printer = config.get_printer()
-        z_positions = config.get('z_positions').split('\n')
-        try:
-            z_positions = [line.split(',', 1)
-                           for line in z_positions if line.strip()]
-            self.z_positions = [(float(zp[0].strip()), float(zp[1].strip()))
-                                for zp in z_positions]
-        except:
-            raise config.error("Unable to parse z_positions in %s" % (
-                config.get_name()))
+        self.z_positions = config.getlists('z_positions', seps=(',', '\n'),
+                                           parser=float, count=2)
         self.retry_helper = RetryHelper(config)
         self.probe_helper = probe.ProbePointsHelper(config, self.probe_finalize)
         self.probe_helper.minimum_points(2)