diff --git a/dataconnect/connector/staff/mutations.gql b/dataconnect/connector/staff/mutations.gql
index 64f2954a..28c40b21 100644
--- a/dataconnect/connector/staff/mutations.gql
+++ b/dataconnect/connector/staff/mutations.gql
@@ -10,12 +10,12 @@ mutation CreateStaff(
   $track: String,
   $position: String,
   $profileType: ProfileType,
-  $employmentType: EmploymentType!,
+  $employmentType: EmploymentType,
   $english: EnglishLevel,
   $rate: Float,
   $rating: Float,
   $reliabilityScore: Int,
-  $backgroundCheckStatus: BackgroundCheckStatus!
+  $backgroundCheckStatus: BackgroundCheckStatus,
   $notes: String
 ) @auth(level: USER) {
   staff_insert(
@@ -60,7 +60,7 @@ mutation UpdateStaff(
   $rate: Float,
   $rating: Float,
   $reliabilityScore: Int,
-  $backgroundCheckStatus: BackgroundCheckStatus
+  $backgroundCheckStatus: BackgroundCheckStatus,
   $notes: String
 ) @auth(level: USER) {
   staff_update(
diff --git a/dataconnect/schema/staff.gql b/dataconnect/schema/staff.gql
index a4aaf878..9a566a52 100644
--- a/dataconnect/schema/staff.gql
+++ b/dataconnect/schema/staff.gql
@@ -53,12 +53,12 @@ type Staff @table(name: "staffs") {
   track: String 
   position: String 
   profileType: ProfileType @col(name: "profile_type")
-  employmentType: EmploymentType! @col(name: "employment_type")
+  employmentType: EmploymentType @col(name: "employment_type")
   english: EnglishLevel
   rate: Float
   rating: Float
   reliabilityScore: Int @col(name: "reliability_score")
-  backgroundCheckStatus: BackgroundCheckStatus! @col(name: "background_check_status")
+  backgroundCheckStatus: BackgroundCheckStatus @col(name: "background_check_status")
   notes: String
   createdDate: Timestamp @default(expr: "request.time")
   updatedDate: Timestamp @default(expr: "request.time")