diff --git a/src/gen_experiments/config.py b/src/gen_experiments/config.py
index ac92098..42d1e75 100644
--- a/src/gen_experiments/config.py
+++ b/src/gen_experiments/config.py
@@ -101,19 +101,19 @@ def addn(x):
                 "diff_params.diffcls": "SmoothedFiniteDifference",
             },
             {"sim_params.noise_abs": 1, "diff_params.kind": "kalman"},
-            {"sim_params.noise_abs": 1, "diff_params.kind": "total_variation"},
+            {"sim_params.noise_abs": 1, "diff_params.kind": "trend_filtered"},
             {
                 "sim_params.noise_abs": 2,
                 "diff_params.diffcls": "SmoothedFiniteDifference",
             },
             {"sim_params.noise_abs": 2, "diff_params.kind": "kalman"},
-            {"sim_params.noise_abs": 2, "diff_params.kind": "total_variation"},
+            {"sim_params.noise_abs": 2, "diff_params.kind": "trend_filtered"},
             {
                 "sim_params.noise_abs": 4,
                 "diff_params.diffcls": "SmoothedFiniteDifference",
             },
             {"sim_params.noise_abs": 4, "diff_params.kind": "kalman"},
-            {"sim_params.noise_abs": 4, "diff_params.kind": "total_variation"},
+            {"sim_params.noise_abs": 4, "diff_params.kind": "trend_filtered"},
         ),
         {(0, 2), (3, 2), (0, 3), (3, 3), (0, 4), (3, 4)},
     ),