diff --git a/cosmos/dbt/parser/project.py b/cosmos/dbt/parser/project.py
index ad6e78e44..15a515287 100644
--- a/cosmos/dbt/parser/project.py
+++ b/cosmos/dbt/parser/project.py
@@ -174,11 +174,16 @@ def __post_init__(self) -> None:
                             first_arg = base_node.args[0]
                             # if it contains vars, render the value of the var
                             if isinstance(first_arg, jinja2.nodes.Concat):
+<<<<<<< HEAD
                                 value = ''
                                 for node in first_arg.nodes:
+=======
+                                value = ""
+                                for node in base_node.args[0].nodes:
+>>>>>>> d71cdf07ea2f6f076ecca68e9b3040829f6e5dba
                                     if isinstance(node, jinja2.nodes.Const):
                                         value += node.value
-                                    elif isinstance(node, jinja2.nodes.Call) and node.node.name == 'var':
+                                    elif isinstance(node, jinja2.nodes.Call) and node.node.name == "var":
                                         value += var_args[node.args[0].value]
                                 config.upstream_models.add(value)
                             elif isinstance(first_arg, jinja2.nodes.Const):
@@ -249,7 +254,7 @@ class DbtProject:
     models_dir: Path = field(init=False)
     snapshots_dir: Path = field(init=False)
     seeds_dir: Path = field(init=False)
-    
+
     operator_args: Dict[str, Any] = field(default_factory=dict)
 
     def __post_init__(self) -> None:
diff --git a/tests/dbt/parser/test_project.py b/tests/dbt/parser/test_project.py
index b8ef51f1a..5fb00c40c 100644
--- a/tests/dbt/parser/test_project.py
+++ b/tests/dbt/parser/test_project.py
@@ -198,5 +198,10 @@ def test_dbtmodelconfig_with_vars(tmp_path):
     path_with_sources = tmp_path / "customers_with_sources.sql"
     path_with_sources.write_text(model_with_sources_sql)
 
-    dbt_model = DbtModel(name="some_name", type=DbtModelType.DBT_MODEL, path=path_with_sources, operator_args={"vars": {"country_code": "us"}})
+    dbt_model = DbtModel(
+        name="some_name",
+        type=DbtModelType.DBT_MODEL,
+        path=path_with_sources,
+        operator_args={"vars": {"country_code": "us"}},
+    )
     assert "stg_customers_us" in dbt_model.config.upstream_models