diff --git a/sqlmesh/core/model/definition.py b/sqlmesh/core/model/definition.py
index f6c83c85f7..e900e2fc25 100644
--- a/sqlmesh/core/model/definition.py
+++ b/sqlmesh/core/model/definition.py
@@ -2361,7 +2361,7 @@ def create_python_model(
 
     used_variables = {k: v for k, v in (variables or {}).items() if k in referenced_variables}
     if used_variables:
-        python_env[c.SQLMESH_VARS] = Executable.value(used_variables)
+        python_env[c.SQLMESH_VARS] = Executable.value(used_variables, sort_root_dict=True)
 
     return _create_model(
         PythonModel,
diff --git a/tests/core/test_model.py b/tests/core/test_model.py
index ce58a0f00b..b13a5797cc 100644
--- a/tests/core/test_model.py
+++ b/tests/core/test_model.py
@@ -6715,7 +6715,7 @@ def model_with_named_variables(
     )
 
     assert python_model.python_env[c.SQLMESH_VARS] == Executable.value(
-        {"test_var_a": "test_value", "start": "2024-01-01"}
+        {"test_var_a": "test_value", "start": "2024-01-01"}, sort_root_dict=True
     )
 
     context = ExecutionContext(mocker.Mock(), {}, None, None)