diff --git a/client/cypress/e2e/frontend/instruments/module-page.spec.js b/client/cypress/e2e/frontend/instruments/module-page.spec.js
index e45d96f2..7fade4a3 100644
--- a/client/cypress/e2e/frontend/instruments/module-page.spec.js
+++ b/client/cypress/e2e/frontend/instruments/module-page.spec.js
@@ -38,6 +38,7 @@ describe('Instruments on Module page', () => {
                         value: {
                           description:
                             '<p>Ein Interview dient dazu, durch Befragung Informationen zu ermitteln. Bei journalistischen Interviews werden oft Expertinnen und Experten befragt, aber auch Personen.</p>',
+                          slug: 'interview',
                         },
                       },
                     ],
diff --git a/client/src/components/content-blocks/assignment/SubmissionForm.vue b/client/src/components/content-blocks/assignment/SubmissionForm.vue
index 992262dc..e4b415d8 100644
--- a/client/src/components/content-blocks/assignment/SubmissionForm.vue
+++ b/client/src/components/content-blocks/assignment/SubmissionForm.vue
@@ -58,9 +58,9 @@ export interface Props {
   saved: boolean;
   placeholder: string;
   action: string;
-  readOnly: boolean;
-  spellcheck: boolean;
-  spellcheckLoading: boolean;
+  readOnly?: boolean;
+  spellcheck?: boolean;
+  spellcheckLoading?: boolean;
   sharedMsg: string;
 }