diff --git a/bilby/core/sampler/dynesty.py b/bilby/core/sampler/dynesty.py
index 7248ff8012525eb7347e609afda2e46a3dcc22a3..b4595f96916bb0b82ca064be66e40a0fea9aa8ba 100644
--- a/bilby/core/sampler/dynesty.py
+++ b/bilby/core/sampler/dynesty.py
@@ -122,7 +122,7 @@ class Dynesty(NestedSampler):
     """
     default_kwargs = dict(bound='multi', sample='rwalk',
                           verbose=True, periodic=None, reflective=None,
-                          check_point_delta_t=600, nlive=1000,
+                          check_point_delta_t=1800, nlive=1000,
                           first_update=None, walks=100,
                           npdim=None, rstate=None, queue_size=1, pool=None,
                           use_pool=None, live_points=None,
diff --git a/test/core/sampler/dynesty_test.py b/test/core/sampler/dynesty_test.py
index 0509ff51067cff2ab8f608924a6f0783460b6f96..ec8e2274f0582fce8b512edd50ae94b7760e4ba3 100644
--- a/test/core/sampler/dynesty_test.py
+++ b/test/core/sampler/dynesty_test.py
@@ -34,7 +34,7 @@ class TestDynesty(unittest.TestCase):
             periodic=None,
             reflective=None,
             verbose=True,
-            check_point_delta_t=600,
+            check_point_delta_t=1800,
             nlive=1000,
             first_update=None,
             npdim=None,
@@ -90,7 +90,7 @@ class TestDynesty(unittest.TestCase):
             periodic=[],
             reflective=[],
             verbose=True,
-            check_point_delta_t=600,
+            check_point_delta_t=1800,
             nlive=1000,
             first_update=None,
             npdim=None,