diff --git a/lib/ansible/modules/network/aci/aci_contract_subject_to_filter.py b/lib/ansible/modules/network/aci/aci_contract_subject_to_filter.py
index 2b176888a0..50f8196544 100644
--- a/lib/ansible/modules/network/aci/aci_contract_subject_to_filter.py
+++ b/lib/ansible/modules/network/aci/aci_contract_subject_to_filter.py
@@ -33,15 +33,16 @@ options:
     description:
     - The name of the contract.
     aliases: [ contract_name ]
-  filter_name:
+  filter:
     description:
     - The name of the Filter to bind to the Subject.
   log:
     description:
     - Determines if the binding should be set to log.
-    - The APIC defaults new Subject to Filter bindings to a value of none.
+    - The APIC defaults new Subject to Filter bindings to C(none).
     choices: [ log, none ]
     aliases: [ directive ]
+    default: none
   subject:
     description:
     - The name of the Contract Subject.
@@ -69,7 +70,7 @@ EXAMPLES = r'''
     tenant: '{{ tenant }}'
     contract: '{{ contract }}'
     subject: '{{ subject }}'
-    filter_name: '{{ filter_name }}'
+    filter: '{{ filter }}'
     log: '{{ log }}'
 '''
 
@@ -96,8 +97,10 @@ def main():
     module = AnsibleModule(
         argument_spec=argument_spec,
         supports_check_mode=True,
-        required_if=[['state', 'absent', ['contract', 'filter', 'subject', 'tenant']],
-                     ['state', 'present', ['contract', 'filter', 'subject', 'tenant']]]
+        required_if=[
+            ['state', 'absent', ['contract', 'filter', 'subject', 'tenant']],
+            ['state', 'present', ['contract', 'filter', 'subject', 'tenant']],
+        ],
     )
 
     # contract = module.params['contract']
@@ -107,26 +110,26 @@ def main():
     # tenant = module.params['tenant']
     state = module.params['state']
 
+    # Add subject_filter key to modul.params for building the URL
+    module.params['subject_filter'] = filter_name
+
     # Convert log to empty string if none, as that is what API expects. An empty string is not a good option to present the user.
     if log == 'none':
         log = ''
 
-    # TODO: cleanup this logic and provide better filter_strings for all options
-    if filter_name is not None:
-        # Work with specific binding
-        path = 'api/mo/uni/tn-%(tenant)s/brc-%(contract)s/subj-%(subject)s/rssubjFiltAtt-%(filter)s.json' % module.params
-    else:
-        path = 'api/class/vzRsSubjFiltAtt.json'
-
     aci = ACIModule(module)
-
-    aci.result['url'] = '%(protocol)s://%(hostname)s/' % aci.params + path
-
+    aci.construct_url(root_class='tenant', subclass_1='contract', subclass_2='subject', subclass_3='subject_filter')
     aci.get_existing()
 
     if state == 'present':
         # Filter out module parameters with null values
-        aci.payload(aci_class='vzRsSubjFiltAtt', class_config=dict(tnVzFilterName=filter_name, directives=log))
+        aci.payload(
+            aci_class='vzRsSubjFiltAtt',
+            class_config=dict(
+                tnVzFilterName=filter_name,
+                directives=log,
+            ),
+        )
 
         # Generate config diff which will be used as POST request body
         aci.get_diff(aci_class='vzRsSubjFiltAtt')
@@ -137,6 +140,9 @@ def main():
     elif state == 'absent':
         aci.delete_config()
 
+    # Remove subject_filter used to build URL from module.params
+    module.params.pop('subject_filter')
+
     module.exit_json(**aci.result)