diff --git a/tests/unit/test_driver.py b/tests/unit/test_driver.py
index 5d8a6b0..0a95a56 100644
--- a/tests/unit/test_driver.py
+++ b/tests/unit/test_driver.py
@@ -61,13 +61,16 @@ INTERFACES_RESPONSE = {
     ]
 }
 
-ADDRESSES_RESPONSE = {
-    "items": [
-        {"interface": "em0", "address": "192.0.2.10", "prefix": 24},
-        {"interface": "em0", "address": "2001:db8::1", "prefix": 64},
-        {"interface": "em1", "address": "203.0.113.5", "prefix": 30},
-    ]
-}
+# Real shape confirmed against a live OPNsense 24.7 instance's
+# GET /api/interfaces/overview/export (see issue #14): a bare top-level list
+# of interface dicts, addressed via "device" and CIDR "addr4"/"addr6"
+# strings — not the "items"/"interface"/"address"/"prefix" shape this
+# fixture previously assumed, which never matched get_interfaces_ip()'s
+# actual parsing and made all four TestGetInterfacesIp tests fail.
+ADDRESSES_RESPONSE = [
+    {"device": "em0", "addr4": "192.0.2.10/24", "addr6": "2001:db8::1/64"},
+    {"device": "em1", "addr4": "203.0.113.5/30", "addr6": ""},
+]
 
 ARP_RESPONSE = {
     "arp": [