diff --git a/changelogs/fragments/9092-keycloak-clientscope-type-fix-check-mode.yml b/changelogs/fragments/9092-keycloak-clientscope-type-fix-check-mode.yml
new file mode 100644
index 00000000000..b51eb241367
--- /dev/null
+++ b/changelogs/fragments/9092-keycloak-clientscope-type-fix-check-mode.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - keycloak_clientscope_type - fix detect changes in check mode (https://github.com/ansible-collections/community.general/issues/9092, https://github.com/ansible-collections/community.general/pull/9093).
diff --git a/plugins/modules/keycloak_clientscope_type.py b/plugins/modules/keycloak_clientscope_type.py
index 37a5d3be948..0c919afdad4 100644
--- a/plugins/modules/keycloak_clientscope_type.py
+++ b/plugins/modules/keycloak_clientscope_type.py
@@ -246,15 +246,19 @@ def main():
     if module._diff:
         result['diff'] = dict(before=result['existing'], after=result['proposed'])
 
-    if module.check_mode:
-        module.exit_json(**result)
-
     default_clientscopes_add = clientscopes_to_add(default_clientscopes_existing, default_clientscopes_real)
     optional_clientscopes_add = clientscopes_to_add(optional_clientscopes_existing, optional_clientscopes_real)
 
     default_clientscopes_delete = clientscopes_to_delete(default_clientscopes_existing, default_clientscopes_real)
     optional_clientscopes_delete = clientscopes_to_delete(optional_clientscopes_existing, optional_clientscopes_real)
 
+    result["changed"] = any(len(x) > 0 for x in [
+        default_clientscopes_add, optional_clientscopes_add, default_clientscopes_delete, optional_clientscopes_delete
+    ])
+
+    if module.check_mode:
+        module.exit_json(**result)
+
     # first delete so clientscopes can change type
     for clientscope in default_clientscopes_delete:
         kc.delete_default_clientscope(clientscope['id'], realm, client_id)
@@ -266,13 +270,6 @@ def main():
     for clientscope in optional_clientscopes_add:
         kc.add_optional_clientscope(clientscope['id'], realm, client_id)
 
-    result["changed"] = (
-        len(default_clientscopes_add) > 0
-        or len(optional_clientscopes_add) > 0
-        or len(default_clientscopes_delete) > 0
-        or len(optional_clientscopes_delete) > 0
-    )
-
     result['end_state'].update({
         'default_clientscopes': extract_field(kc.get_default_clientscopes(realm, client_id)),
         'optional_clientscopes': extract_field(kc.get_optional_clientscopes(realm, client_id))