diff --git a/changelogs/fragments/8877-keycloak_realm-sort-lists-before-change-detection.yaml b/changelogs/fragments/8877-keycloak_realm-sort-lists-before-change-detection.yaml
new file mode 100644
index 00000000000..3e198662893
--- /dev/null
+++ b/changelogs/fragments/8877-keycloak_realm-sort-lists-before-change-detection.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+  - keycloak_realm - fix change detection in check mode by sorting the lists in the realms beforehand (https://github.com/ansible-collections/community.general/pull/8877).
\ No newline at end of file
diff --git a/plugins/modules/keycloak_realm.py b/plugins/modules/keycloak_realm.py
index 6128c9e4c7e..9bbcdb6b1a9 100644
--- a/plugins/modules/keycloak_realm.py
+++ b/plugins/modules/keycloak_realm.py
@@ -803,7 +803,7 @@ def main():
                 if module._diff:
                     result['diff'] = dict(before=sanitize_cr(before_norm),
                                           after=sanitize_cr(desired_norm))
-                result['changed'] = (before_realm != desired_realm)
+                result['changed'] = (before_norm != desired_norm)
 
                 module.exit_json(**result)