diff --git a/client/src/components/content-block-form/ContentBlockForm.vue b/client/src/components/content-block-form/ContentBlockForm.vue
index 3f2cdba3..e8e1112f 100644
--- a/client/src/components/content-block-form/ContentBlockForm.vue
+++ b/client/src/components/content-block-form/ContentBlockForm.vue
@@ -119,7 +119,7 @@
 </template>
 
 <script lang="ts">
-  import Vue from 'vue';
+  import Vue, {PropType} from 'vue';
   import Toggle from '@/components/ui/Toggle.vue';
   import ContentFormSection from '@/components/content-block-form/ContentFormSection.vue';
   import InputWithLabel from '@/components/ui/InputWithLabel.vue';
@@ -141,7 +141,7 @@
         default: '',
       },
       contentBlock: {
-        type: Object,
+        type: Object as PropType<ContentBlock>,
         required: true,
       },
     },
diff --git a/client/src/types/index.ts b/client/src/types/index.ts
index 6f8ee61e..dfc3668f 100644
--- a/client/src/types/index.ts
+++ b/client/src/types/index.ts
@@ -1,8 +1,11 @@
 export type numberOrUndefined = number | undefined;
 
+type types = 'task' | 'normal' | 'base_communication' | 'base_society' | 'base_interdisciplinary';
+
 export interface ContentBlock {
   title: string;
   contents: any[];
   id: string | undefined;
   isAssignment: boolean;
+  type: types;
 }