diff --git a/gso/workflows/device/create_device.py b/gso/workflows/device/create_device.py
index e3cc74acb2319176a8b2da824a10150dc53a9aa8..4d3f0cd787a152b9f3325efda2a2a24dba5635f7 100644
--- a/gso/workflows/device/create_device.py
+++ b/gso/workflows/device/create_device.py
@@ -45,10 +45,10 @@ def initial_input_form_generator(product_name: str) -> FormGenerator:
 
         device_site: site_selector()  # type: ignore
         hostname: str
-        ts_address: ipaddress.IPv4Address
         ts_port: int
         device_vendor: device_pb.DeviceVendor
         device_role: device_pb.DeviceRole
+        is_ias_connected: bool
 
     user_input = yield CreateDeviceForm
 
@@ -73,22 +73,26 @@ def iso_from_ipv4(ipv4_address: ipaddress.IPv4Address) -> str:
 
 
 @step("Get information from IPAM")
-def get_info_from_ipam(subscription: DeviceProvisioning) -> State:
+def get_info_from_ipam(subscription: DeviceProvisioning, is_ias_connected: bool) -> State:
     lo0_alias = re.sub(".geant.net", "", subscription.device.device_fqdn)
     lo0_name = f"lo0.{lo0_alias}"
     lo0_addr = ipam.allocate_host(hostname=lo0_name, service_type="LO", cname_aliases=[lo0_alias])
     subscription.device.device_lo_ipv4_address = lo0_addr.v4
     subscription.device.device_lo_ipv6_address = lo0_addr.v6
     subscription.device.device_lo_iso_address = iso_from_ipv4(subscription.device.device_lo_ipv4_address)
-    subscription.device.device_si_ipv4_network = ipam.allocate_ipv4_network(
-        service_type="SI", comment=f"SI for {lo0_name}"
-    ).v4
-    subscription.device.device_ias_lt_ipv4_network = ipam.allocate_ipv4_network(
-        service_type="LT_IAS", comment=f"LT for {lo0_name}"
-    ).v4
-    subscription.device.device_ias_lt_ipv6_network = ipam.allocate_ipv6_network(
-        service_type="LT_IAS", comment=f"LT for {lo0_name}"
-    ).v6
+    subscription.device.device_is_ias_connected = is_ias_connected
+
+    if is_ias_connected is True:
+        subscription.device.device_si_ipv4_network = ipam.allocate_ipv4_network(
+            service_type="SI", comment=f"SI for {lo0_name}"
+        ).v4
+        subscription.device.device_ias_lt_ipv4_network = ipam.allocate_ipv4_network(
+            service_type="LT_IAS", comment=f"LT for {lo0_name}"
+        ).v4
+        subscription.device.device_ias_lt_ipv6_network = ipam.allocate_ipv6_network(
+            service_type="LT_IAS", comment=f"LT for {lo0_name}"
+        ).v6
+
     return {"subscription": subscription}