diff --git a/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js b/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js
index 3da2e49126..72059f130b 100644
--- a/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js
+++ b/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js
@@ -399,6 +399,12 @@ export const WithObjectsAPIAndTestRegistrationBackends = {
         name: 'Example test registration',
         options: {},
       },
+      {
+        backend: 'stuf-zds-create-zaak',
+        key: 'test_zds',
+        name: 'Example ZDS registration',
+        options: {},
+      },
     ],
     registrationPluginsVariables: [
       {
diff --git a/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js b/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js
index 61775d1b32..a603a921ba 100644
--- a/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js
+++ b/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js
@@ -130,7 +130,7 @@ const RegistrationsSummaryList = ({variable, onFieldChange, registrationBackends
     const backendInfo = BACKEND_OPTIONS_FORMS[backend.backend];
 
     // Check if the registration backend can be configured from the variables tab...
-    const configurableFromVariables = backendInfo.configurableFromVariables;
+    const configurableFromVariables = backendInfo?.configurableFromVariables;
     if (
       (typeof configurableFromVariables === 'function' &&
         !configurableFromVariables(backend.options)) ||