diff --git a/changes/425.fixed b/changes/425.fixed
new file mode 100644
index 00000000..f94ff486
--- /dev/null
+++ b/changes/425.fixed
@@ -0,0 +1 @@
+Fixed check connectivity failing on Sync Network Data job.
diff --git a/nautobot_device_onboarding/nornir_plays/command_getter.py b/nautobot_device_onboarding/nornir_plays/command_getter.py
index 63be0b77..c8b7c6fc 100755
--- a/nautobot_device_onboarding/nornir_plays/command_getter.py
+++ b/nautobot_device_onboarding/nornir_plays/command_getter.py
@@ -130,7 +130,7 @@ def netmiko_send_commands(task: Task, command_getter_yaml_data: Dict, command_ge
             host=task.host, result=f"{task.host.name} has missing definitions in command_mapper YAML file.", failed=True
         )
     if nautobot_job.connectivity_test:
-        if not tcp_ping(task.host.hostname, task.host.port):
+        if not tcp_ping(task.host.hostname, task.host.port if task.host.port else 22):
             return Result(
                 host=task.host, result=f"{task.host.name} failed connectivity check via tcp_ping.", failed=True
             )