diff --git a/src/local_coding_slm/safety.py b/src/local_coding_slm/safety.py
index cd75ce1..e7de07a 100644
--- a/src/local_coding_slm/safety.py
+++ b/src/local_coding_slm/safety.py
@@ -218,9 +218,8 @@ def parse_proc_net_listen_ports(text: str) -> list[tuple[str, int]]:
             port = int(port_hex, 16)
         except ValueError:
             continue
-        ip = _hex_ip(addr_hex)
-        if ip is not None:
-            found.append((ip, port))
+        ip = _hex_ip(addr_hex) or "unparsed"
+        found.append((ip, port))
     return found
 
 
diff --git a/tests/test_safety.py b/tests/test_safety.py
index 70c04c6..4538105 100644
--- a/tests/test_safety.py
+++ b/tests/test_safety.py
@@ -159,6 +159,15 @@ def test_missing_listener_warns(self) -> None:
         result = classify_local_listeners([])
         self.assertEqual(result.status, "warn")
 
+    def test_unparsed_listen_address_fails(self) -> None:
+        """A LISTEN row whose address cannot be parsed is not 'Ollama is down'."""
+        text = (
+            "  sl  local_address rem_address   st\n"
+            "   0: GGGGGGGG:2CAA 00000000:0000 0A 00000000:00000000\n"
+        )
+        result = classify_local_listeners(parse_proc_net_listen_ports(text))
+        self.assertEqual(result.status, "fail", result.message)
+
 
 class TestHygiene(unittest.TestCase):
     def test_placeholder_ips_pass(self) -> None: