diff --git a/changelogs/fragments/8762-keycloac_user_federation-fix-key-error-when-updating.yml b/changelogs/fragments/8762-keycloac_user_federation-fix-key-error-when-updating.yml
new file mode 100644
index 0000000000..08da8ae21a
--- /dev/null
+++ b/changelogs/fragments/8762-keycloac_user_federation-fix-key-error-when-updating.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - keycloak_user_federation - fix key error when removing mappers during an update and new mappers are specified in the module args (https://github.com/ansible-collections/community.general/pull/8762).
\ No newline at end of file
diff --git a/plugins/modules/keycloak_user_federation.py b/plugins/modules/keycloak_user_federation.py
index 00f407ec03..e327d4ac20 100644
--- a/plugins/modules/keycloak_user_federation.py
+++ b/plugins/modules/keycloak_user_federation.py
@@ -1004,7 +1004,7 @@ def main():
 
             for before_mapper in before_comp.get('mappers', []):
                 # remove unwanted existing mappers that will not be updated
-                if not before_mapper['id'] in [x['id'] for x in desired_mappers]:
+                if not before_mapper['id'] in [x['id'] for x in desired_mappers if 'id' in x]:
                     kc.delete_component(before_mapper['id'], realm)
 
             for mapper in desired_mappers: