diff --git a/netbox/ipam/models.py b/netbox/ipam/models.py
index 0ae9db7b2..e8b3dff0a 100644
--- a/netbox/ipam/models.py
+++ b/netbox/ipam/models.py
@@ -734,13 +734,12 @@ class IPAddress(ChangeLoggedModel, CustomFieldModel):
                 })
 
             # Enforce unique IP space (if applicable)
-            if self.role not in IPADDRESS_ROLES_NONUNIQUE and ((
-                self.vrf is None and settings.ENFORCE_GLOBAL_UNIQUE
-            ) or (
-                self.vrf and self.vrf.enforce_unique
-            )):
+            if (self.vrf is None and settings.ENFORCE_GLOBAL_UNIQUE) or (self.vrf and self.vrf.enforce_unique):
                 duplicate_ips = self.get_duplicates()
-                if duplicate_ips:
+                if duplicate_ips and (
+                        self.role not in IPADDRESS_ROLES_NONUNIQUE or
+                        any(dip.role not in IPADDRESS_ROLES_NONUNIQUE for dip in duplicate_ips)
+                ):
                     raise ValidationError({
                         'address': "Duplicate IP address found in {}: {}".format(
                             "VRF {}".format(self.vrf) if self.vrf else "global table",
diff --git a/netbox/ipam/tests/test_models.py b/netbox/ipam/tests/test_models.py
index 6091aa70e..a47862165 100644
--- a/netbox/ipam/tests/test_models.py
+++ b/netbox/ipam/tests/test_models.py
@@ -259,6 +259,18 @@ class TestIPAddress(TestCase):
         duplicate_ip = IPAddress(vrf=vrf, address=netaddr.IPNetwork('192.0.2.1/24'))
         self.assertRaises(ValidationError, duplicate_ip.clean)
 
+    @override_settings(ENFORCE_GLOBAL_UNIQUE=True)
+    def test_duplicate_nonunique_nonrole_role(self):
+        IPAddress.objects.create(address=netaddr.IPNetwork('192.0.2.1/24'))
+        duplicate_ip = IPAddress(address=netaddr.IPNetwork('192.0.2.1/24'), role=IPAddressRoleChoices.ROLE_VIP)
+        self.assertRaises(ValidationError, duplicate_ip.clean)
+
+    @override_settings(ENFORCE_GLOBAL_UNIQUE=True)
+    def test_duplicate_nonunique_role_nonrole(self):
+        IPAddress.objects.create(address=netaddr.IPNetwork('192.0.2.1/24'), role=IPAddressRoleChoices.ROLE_VIP)
+        duplicate_ip = IPAddress(address=netaddr.IPNetwork('192.0.2.1/24'))
+        self.assertRaises(ValidationError, duplicate_ip.clean)
+
     @override_settings(ENFORCE_GLOBAL_UNIQUE=True)
     def test_duplicate_nonunique_role(self):
         IPAddress.objects.create(address=netaddr.IPNetwork('192.0.2.1/24'), role=IPAddressRoleChoices.ROLE_VIP)