diff --git a/roseau/load_flow_single/models/tests/test_lines.py b/roseau/load_flow_single/models/tests/test_lines.py
index 1533c40..d940e56 100644
--- a/roseau/load_flow_single/models/tests/test_lines.py
+++ b/roseau/load_flow_single/models/tests/test_lines.py
@@ -189,12 +189,12 @@ def test_res_violated():
 
 
 def test_lines_results():
-    z_line = 0.1 + 0.1j / 2
+    z_line = (0.1 + 0.1j) / 2
     y_shunt = None
     len_line = 10
     bus1_voltage = 20000.0 + 0.0j
-    bus2_voltage = 19792.440962293495 - 89.99999999954984j
-    line_currents = (116.65202272479438 - 6.364487135590757j), (-116.65202272479438 + 6.364487135590757j)
+    bus2_voltage = 19883.965550324414 - 84.999999999981j
+    line_currents = (116.06729363657514 - 17.9177478743607j), (-116.06729363657514 + 17.9177478743607j)
     bus1 = Bus(id="bus1")
     bus2 = Bus(id="bus2")
     y_shunt = np.array(y_shunt, dtype=np.complex128) if y_shunt is not None else None