diff --git a/packages/api/src/resolvers/user_personalization/index.ts b/packages/api/src/resolvers/user_personalization/index.ts
index 8bcc8052d..93d576051 100644
--- a/packages/api/src/resolvers/user_personalization/index.ts
+++ b/packages/api/src/resolvers/user_personalization/index.ts
@@ -17,14 +17,19 @@ export const setUserPersonalizationResolver = authorized<
   MutationSetUserPersonalizationArgs
 >(async (_, { input }, { authTrx, uid }) => {
   const newValues = input as Omit<SetUserPersonalizationInput, 'digestConfig'>
+  const digestValues = input.digestConfig
+    ? {
+        digestConfig: () => {
+          return JSON.stringify(input.digestConfig)
+        },
+      }
+    : {}
   const result = await authTrx(async (t) => {
     return t.getRepository(UserPersonalization).upsert(
       {
         user: { id: uid },
         ...newValues,
-        digestConfig: () => {
-          return JSON.stringify(input.digestConfig)
-        },
+        ...digestValues,
       },
       ['user']
     )
diff --git a/packages/api/test/resolvers/user_personalization.test.ts b/packages/api/test/resolvers/user_personalization.test.ts
index fe04e93f3..13a7fac6b 100644
--- a/packages/api/test/resolvers/user_personalization.test.ts
+++ b/packages/api/test/resolvers/user_personalization.test.ts
@@ -102,6 +102,43 @@ describe('User Personalization API', () => {
         )
         expect(updatedUserPersonalization?.fields).to.eql(newFields)
       })
+
+      it('updates and can clear the user personalization', async () => {
+        const newFields = {
+          channels: ['push', 'email'],
+        }
+
+        const res = await graphqlRequest(query, authToken, {
+          input: { fields: newFields },
+        }).expect(200)
+
+        expect(
+          res.body.data.setUserPersonalization.updatedUserPersonalization.fields
+        ).to.eql(newFields)
+
+        const updatedUserPersonalization = await findUserPersonalization(
+          user.id
+        )
+        expect(updatedUserPersonalization?.fields).to.eql(newFields)
+
+        const updatedFields = {
+          channels: ['push', 'email'],
+        }
+
+        const updatedRes = await graphqlRequest(query, authToken, {
+          input: { fields: updatedFields },
+        }).expect(200)
+
+        expect(
+          updatedRes.body.data.setUserPersonalization.updatedUserPersonalization
+            .fields
+        ).to.eql(updatedFields)
+
+        const updatedUserPersonalization2 = await findUserPersonalization(
+          user.id
+        )
+        expect(updatedUserPersonalization2?.fields).to.eql(newFields)
+      })
     })
   })