diff --git a/redaktions-app/src/backend/mutations/category.ts b/redaktions-app/src/backend/mutations/category.ts
index 2be77c5..5628e65 100644
--- a/redaktions-app/src/backend/mutations/category.ts
+++ b/redaktions-app/src/backend/mutations/category.ts
@@ -19,7 +19,7 @@ export interface EditCategoryResponse {
 export interface EditCategoryVariables {
   id: string,
   title?: string,
-  description?: string,
+  description?: string | null,
 }
 
 export const ADD_CATEGORY = gql`
@@ -41,7 +41,7 @@ export interface AddCategoryResponse {
 
 export interface AddCategoryVariables {
   title: string,
-  description?: string,
+  description?: string | null,
 }
 
 export const DELETE_CATEGORY = gql`
diff --git a/redaktions-app/src/backend/mutations/question.ts b/redaktions-app/src/backend/mutations/question.ts
index d386937..4620682 100644
--- a/redaktions-app/src/backend/mutations/question.ts
+++ b/redaktions-app/src/backend/mutations/question.ts
@@ -19,7 +19,7 @@ export interface EditQuestionResponse {
 export interface EditQuestionVariables {
   id: string,
   title?: string,
-  description?: string,
+  description?: string | null,
   categoryRowId?: number | null,
 }
 
@@ -42,7 +42,7 @@ export interface AddQuestionResponse {
 
 export interface AddQuestionVariables {
   title: string,
-  description?: string,
+  description?: string | null,
   categoryRowId?: number | null
 }
 
diff --git a/redaktions-app/src/backend/queries/category.ts b/redaktions-app/src/backend/queries/category.ts
index 7018d22..604d462 100644
--- a/redaktions-app/src/backend/queries/category.ts
+++ b/redaktions-app/src/backend/queries/category.ts
@@ -13,7 +13,7 @@ export interface BasicCategoryResponse {
   id: string,
   rowId: number,
   title: string,
-  description?: string,
+  description: string | null,
 }
 
 export const GET_ALL_CATEGORIES = gql`
diff --git a/redaktions-app/src/backend/queries/question.ts b/redaktions-app/src/backend/queries/question.ts
index c238b54..7013273 100644
--- a/redaktions-app/src/backend/queries/question.ts
+++ b/redaktions-app/src/backend/queries/question.ts
@@ -29,8 +29,8 @@ export const BasicQuestionFragment = gql`
 export interface BasicQuestionResponse {
   id: string,
   title: string,
-  description?: string,
-  categoryByCategoryRowId?: GetQuestionsCategoryResponse
+  description: string | null,
+  categoryByCategoryRowId: GetQuestionsCategoryResponse | null
 }
 
 export const GET_ALL_QUESTIONS = gql`
diff --git a/redaktions-app/src/components/AccordionWithEdit.tsx b/redaktions-app/src/components/AccordionWithEdit.tsx
index 5003ef7..6fa8bc5 100644
--- a/redaktions-app/src/components/AccordionWithEdit.tsx
+++ b/redaktions-app/src/components/AccordionWithEdit.tsx
@@ -31,16 +31,16 @@ const useStyles = makeStyles((theme: Theme) =>
   }),
 );
 
-interface QuestionProps {
+interface AccordionWithEditProps {
   key: string,
   title: string,
-  description?: string,
-  subTitle?: string,
+  description: string | null,
+  subTitle?: string | null,
   onEditButtonClick?(): void,
   onDeleteButtonClick?(): void,
 }
 
-export default function AccordionWithEdit(props: QuestionProps) {
+export default function AccordionWithEdit(props: AccordionWithEditProps) {
   const classes = useStyles();
 
   return (
diff --git a/redaktions-app/src/components/ChangeCategoryDialog.tsx b/redaktions-app/src/components/ChangeCategoryDialog.tsx
index 4e6d0a7..9cbff82 100644
--- a/redaktions-app/src/components/ChangeCategoryDialog.tsx
+++ b/redaktions-app/src/components/ChangeCategoryDialog.tsx
@@ -9,7 +9,7 @@ import {DialogTitleAndDetails} from "./DialogTitleAndDetails";
 export interface ChangeCategoryDialogContent {
   id: string
   title: string,
-  details?: string,
+  details: string | null,
 }
 
 interface ChangeCategoryDialogProps {
diff --git a/redaktions-app/src/components/ChangeQuestionDialog.tsx b/redaktions-app/src/components/ChangeQuestionDialog.tsx
index 9eca708..834654e 100644
--- a/redaktions-app/src/components/ChangeQuestionDialog.tsx
+++ b/redaktions-app/src/components/ChangeQuestionDialog.tsx
@@ -11,7 +11,7 @@ import {DialogTitleAndDetails} from "./DialogTitleAndDetails";
 export interface ChangeQuestionDialogContent {
   id: string
   title: string,
-  details?: string,
+  details: string | null,
   categoryId: number | null,
 }
 
diff --git a/redaktions-app/src/components/DialogTitleAndDetails.tsx b/redaktions-app/src/components/DialogTitleAndDetails.tsx
index cfcd8e2..263e25a 100644
--- a/redaktions-app/src/components/DialogTitleAndDetails.tsx
+++ b/redaktions-app/src/components/DialogTitleAndDetails.tsx
@@ -10,7 +10,7 @@ const useStyles = makeStyles((theme) => ({
 
 interface DialogTitleAndDetailsProps {
   title: string,
-  details?: string,
+  details?: string | null,
 
   handleTitleChange(newTitle: string): void,