diff --git a/db/query/team.sql b/db/query/team.sql
index de078cc..fd78f48 100644
--- a/db/query/team.sql
+++ b/db/query/team.sql
@@ -98,22 +98,22 @@ WHERE (
 -- name: UpdateTeamMember :exec
 UPDATE team_members
 SET
-    first_name = COALESCE($1, first_name),
-    last_name = COALESCE($2, last_name),
-    phone_number = COALESCE($3, phone_number),
-    team_role = COALESCE($4, team_role),
-    department = COALESCE($5, department),
-    job_title = COALESCE($6, job_title),
-    employment_type = COALESCE($7, employment_type),
-    hire_date = COALESCE($8, hire_date),
-    profile_picture_url = COALESCE($9, profile_picture_url),
-    bio = COALESCE($10, bio),
-    work_phone = COALESCE($11, work_phone),
-    emergency_contact = COALESCE($12, emergency_contact),
-    permissions = COALESCE($13, permissions),
-    updated_by = $14,
+    first_name = COALESCE(sqlc.narg('first_name')::VARCHAR, first_name),
+    last_name = COALESCE(sqlc.narg('last_name')::VARCHAR, last_name),
+    phone_number = COALESCE(sqlc.narg('phone_number'), phone_number),
+    team_role = COALESCE(sqlc.narg('team_role')::VARCHAR, team_role),
+    department = COALESCE(sqlc.narg('department'), department),
+    job_title = COALESCE(sqlc.narg('job_title'), job_title),
+    employment_type = COALESCE(sqlc.narg('employment_type'), employment_type),
+    hire_date = COALESCE(sqlc.narg('hire_date'), hire_date),
+    profile_picture_url = COALESCE(sqlc.narg('profile_picture_url'), profile_picture_url),
+    bio = COALESCE(sqlc.narg('bio'), bio),
+    work_phone = COALESCE(sqlc.narg('work_phone'), work_phone),
+    emergency_contact = COALESCE(sqlc.narg('emergency_contact'), emergency_contact),
+    permissions = COALESCE(sqlc.narg('permissions'), permissions),
+    updated_by = @updated_by,
     updated_at = CURRENT_TIMESTAMP
-WHERE id = $15;
+WHERE id = @id;
 
 -- name: UpdateTeamMemberStatus :exec
 UPDATE team_members
diff --git a/gen/db/team.sql.go b/gen/db/team.sql.go
index a65aa33..66f5d0d 100644
--- a/gen/db/team.sql.go
+++ b/gen/db/team.sql.go
@@ -637,10 +637,10 @@ func (q *Queries) SearchTeamMembers(ctx context.Context, arg SearchTeamMembersPa
 const UpdateTeamMember = `-- name: UpdateTeamMember :exec
 UPDATE team_members
 SET
-    first_name = COALESCE($1, first_name),
-    last_name = COALESCE($2, last_name),
+    first_name = COALESCE($1::VARCHAR, first_name),
+    last_name = COALESCE($2::VARCHAR, last_name),
     phone_number = COALESCE($3, phone_number),
-    team_role = COALESCE($4, team_role),
+    team_role = COALESCE($4::VARCHAR, team_role),
     department = COALESCE($5, department),
     job_title = COALESCE($6, job_title),
     employment_type = COALESCE($7, employment_type),
@@ -656,10 +656,10 @@ WHERE id = $15
 `
 
 type UpdateTeamMemberParams struct {
-	FirstName         string      `json:"first_name"`
-	LastName          string      `json:"last_name"`
+	FirstName         pgtype.Text `json:"first_name"`
+	LastName          pgtype.Text `json:"last_name"`
 	PhoneNumber       pgtype.Text `json:"phone_number"`
-	TeamRole          string      `json:"team_role"`
+	TeamRole          pgtype.Text `json:"team_role"`
 	Department        pgtype.Text `json:"department"`
 	JobTitle          pgtype.Text `json:"job_title"`
 	EmploymentType    pgtype.Text `json:"employment_type"`
diff --git a/internal/repository/team.go b/internal/repository/team.go
index c6f7bc0..63c5c47 100644
--- a/internal/repository/team.go
+++ b/internal/repository/team.go
@@ -178,18 +178,18 @@ func (s *Store) UpdateTeamMember(ctx context.Context, req domain.UpdateTeamMembe
 	}
 
 	return s.queries.UpdateTeamMember(ctx, dbgen.UpdateTeamMemberParams{
-		FirstName:         req.FirstName,
-		LastName:          req.LastName,
-		PhoneNumber:       pgtype.Text{String: req.PhoneNumber, Valid: req.PhoneNumber != ""},
-		TeamRole:          req.TeamRole,
-		Department:        pgtype.Text{String: req.Department, Valid: req.Department != ""},
-		JobTitle:          pgtype.Text{String: req.JobTitle, Valid: req.JobTitle != ""},
-		EmploymentType:    pgtype.Text{String: req.EmploymentType, Valid: req.EmploymentType != ""},
+		FirstName:         optionalPgText(req.FirstName),
+		LastName:          optionalPgText(req.LastName),
+		PhoneNumber:       optionalPgText(req.PhoneNumber),
+		TeamRole:          optionalPgText(req.TeamRole),
+		Department:        optionalPgText(req.Department),
+		JobTitle:          optionalPgText(req.JobTitle),
+		EmploymentType:    optionalPgText(req.EmploymentType),
 		HireDate:          hireDate,
-		ProfilePictureUrl: pgtype.Text{String: req.ProfilePictureURL, Valid: req.ProfilePictureURL != ""},
-		Bio:               pgtype.Text{String: req.Bio, Valid: req.Bio != ""},
-		WorkPhone:         pgtype.Text{String: req.WorkPhone, Valid: req.WorkPhone != ""},
-		EmergencyContact:  pgtype.Text{String: req.EmergencyContact, Valid: req.EmergencyContact != ""},
+		ProfilePictureUrl: optionalPgText(req.ProfilePictureURL),
+		Bio:               optionalPgText(req.Bio),
+		WorkPhone:         optionalPgText(req.WorkPhone),
+		EmergencyContact:  optionalPgText(req.EmergencyContact),
 		Permissions:       permissionsJSON,
 		UpdatedBy:         pgtype.Int8{Int64: req.UpdatedBy, Valid: req.UpdatedBy > 0},
 		ID:                req.TeamMemberID,
@@ -516,3 +516,10 @@ func (s *Store) GetTeamRefreshTokenByToken(ctx context.Context, token string) (d
 func (s *Store) RevokeTeamRefreshTokenByToken(ctx context.Context, token string) error {
 	return s.queries.RevokeTeamRefreshTokenByToken(ctx, token)
 }
+
+func optionalPgText(value string) pgtype.Text {
+	if value == "" {
+		return pgtype.Text{}
+	}
+	return pgtype.Text{String: value, Valid: true}
+}