diff --git a/src/transformez/transform.py b/src/transformez/transform.py
index a517214..9031f8a 100644
--- a/src/transformez/transform.py
+++ b/src/transformez/transform.py
@@ -563,7 +563,7 @@ def _get_vdatum_chain(self, datum_name, geoid_name):
                         shapefiles=coast_shapefiles,
                         decay_pixels=self.decay_pixels,
                         buffer_pixels=10,
-                        max_discontinuity=0.5,
+                        max_discontinuity=5,
                     )
                     desc.append(f"Blended w/ Global({proxy_name.upper()})")
                 else: