diff --git a/aviary/models/missions/solved2dof_landing_default.py b/aviary/models/missions/solved2dof_landing_default.py
index 0db31a9354..72068408ad 100644
--- a/aviary/models/missions/solved2dof_landing_default.py
+++ b/aviary/models/missions/solved2dof_landing_default.py
@@ -20,7 +20,9 @@
             'altitude_final': (394.0, 'ft'),
             'altitude_bounds': ((0.0, 1000.0), 'ft'),
             'mass_initial': (120.0e3, 'lbm'),
-            'throttle_enforcement': 'bounded',
+            'mass_ref': (120.0e3, 'lbm'),
+            'mass_bounds': ((0.0, 200.0e3), 'lbm'),
+            'throttle_enforcement': 'path_constraint',
             'rotation': False,
             'constraints': {
                 'flight_path_angle': {
@@ -57,7 +59,9 @@
             'altitude_initial': (394.0, 'ft'),
             'altitude_final': (50.0, 'ft'),
             'altitude_bounds': ((0.0, 1000.0), 'ft'),
-            'throttle_enforcement': 'bounded',
+            'mass_ref': (120.0e3, 'lbm'),
+            'mass_bounds': ((0.0, 200.0e3), 'lbm'),
+            'throttle_enforcement': 'path_constraint',
             'rotation': False,
             'constraints': {
                 'flight_path_angle': {
@@ -93,6 +97,8 @@
             'altitude_polynomial_order': 2,
             'altitude_final': (0.0, 'ft'),
             'altitude_bounds': ((0.0, 1000.0), 'ft'),
+            'mass_ref': (120.0e3, 'lbm'),
+            'mass_bounds': ((0.0, 200.0e3), 'lbm'),
             'throttle_enforcement': 'path_constraint',
             'rotation': False,
             'constraints': {},