diff --git a/gns3server/controller/ports/port_factory.py b/gns3server/controller/ports/port_factory.py
index bdcd93b9..e6807136 100644
--- a/gns3server/controller/ports/port_factory.py
+++ b/gns3server/controller/ports/port_factory.py
@@ -84,7 +84,6 @@ class StandardPortFactory:
             adapter_number += 1
 
         if "serial_adapters" in properties:
-            segment_number = 0
             for adapter_number in range(adapter_number, properties["serial_adapters"] + adapter_number):
                 for port_number in range(0, port_by_adapter):
                     ports.append(PortFactory("Serial{}/{}".format(segment_number, port_number), segment_number, adapter_number, port_number, "serial"))
diff --git a/tests/controller/test_node_port_name.py b/tests/controller/test_node_port_name.py
index 3fc3f70b..80dbcf5c 100644
--- a/tests/controller/test_node_port_name.py
+++ b/tests/controller/test_node_port_name.py
@@ -335,8 +335,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "ethernet"
         },
         {
-            "name": "Serial0/0",
-            "short_name": "s0/0",
+            "name": "Serial3/0",
+            "short_name": "s3/0",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -347,8 +347,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial0/1",
-            "short_name": "s0/1",
+            "name": "Serial3/1",
+            "short_name": "s3/1",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -359,8 +359,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial0/2",
-            "short_name": "s0/2",
+            "name": "Serial3/2",
+            "short_name": "s3/2",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -371,8 +371,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial0/3",
-            "short_name": "s0/3",
+            "name": "Serial3/3",
+            "short_name": "s3/3",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -383,8 +383,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial1/0",
-            "short_name": "s1/0",
+            "name": "Serial4/0",
+            "short_name": "s4/0",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -395,8 +395,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial1/1",
-            "short_name": "s1/1",
+            "name": "Serial4/1",
+            "short_name": "s4/1",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -407,8 +407,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial1/2",
-            "short_name": "s1/2",
+            "name": "Serial4/2",
+            "short_name": "s4/2",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",
@@ -419,8 +419,8 @@ def test_list_ports_iou(compute, project):
             "link_type": "serial"
         },
         {
-            "name": "Serial1/3",
-            "short_name": "s1/3",
+            "name": "Serial4/3",
+            "short_name": "s4/3",
             "data_link_types": {
                 "Frame Relay": "DLT_FRELAY",
                 "Cisco HDLC": "DLT_C_HDLC",