diff --git a/api/system/spec.json b/api/system/spec.json
index b9aad052f..9cfdd1a37 100644
--- a/api/system/spec.json
+++ b/api/system/spec.json
@@ -199,7 +199,7 @@
               "title": "Name of Role"
             },
             {
-              "type": "[]uint64",
+              "type": "[]string",
               "name": "members",
               "required": false,
               "title": "Role member IDs"
@@ -229,7 +229,7 @@
               "title": "Name of Role"
             },
             {
-              "type": "[]uint64",
+              "type": "[]string",
               "name": "members",
               "required": false,
               "title": "Role member IDs"
diff --git a/api/system/spec/role.json b/api/system/spec/role.json
index 4461f508f..bdf96e8a1 100644
--- a/api/system/spec/role.json
+++ b/api/system/spec/role.json
@@ -44,7 +44,7 @@
             "name": "members",
             "required": false,
             "title": "Role member IDs",
-            "type": "[]uint64"
+            "type": "[]string"
           }
         ]
       }
@@ -74,7 +74,7 @@
             "name": "members",
             "required": false,
             "title": "Role member IDs",
-            "type": "[]uint64"
+            "type": "[]string"
           }
         ]
       }
diff --git a/docs/system/README.md b/docs/system/README.md
index 9279350df..25cba58e2 100644
--- a/docs/system/README.md
+++ b/docs/system/README.md
@@ -228,7 +228,7 @@ An organisation may have many roles. Roles may have many channels available. Acc
 | Parameter | Type | Method | Description | Default | Required? |
 | --------- | ---- | ------ | ----------- | ------- | --------- |
 | name | string | POST | Name of Role | N/A | YES |
-| members | []uint64 | POST | Role member IDs | N/A | NO |
+| members | []string | POST | Role member IDs | N/A | NO |
 
 ## Update role details
 
@@ -244,7 +244,7 @@ An organisation may have many roles. Roles may have many channels available. Acc
 | --------- | ---- | ------ | ----------- | ------- | --------- |
 | roleID | uint64 | PATH | Role ID | N/A | YES |
 | name | string | POST | Name of Role | N/A | NO |
-| members | []uint64 | POST | Role member IDs | N/A | NO |
+| members | []string | POST | Role member IDs | N/A | NO |
 
 ## Read role details and memberships
 
diff --git a/system/rest/request/role.go b/system/rest/request/role.go
index 51725fef3..5dcc71cb8 100644
--- a/system/rest/request/role.go
+++ b/system/rest/request/role.go
@@ -78,7 +78,7 @@ var _ RequestFiller = NewRoleList()
 // Role create request parameters
 type RoleCreate struct {
 	Name    string
-	Members []uint64 `json:",string"`
+	Members []string
 }
 
 func NewRoleCreate() *RoleCreate {
@@ -116,7 +116,6 @@ func (ro *RoleCreate) Fill(r *http.Request) (err error) {
 
 		ro.Name = val
 	}
-	ro.Members = parseUInt64A(r.Form["members"])
 
 	return err
 }
@@ -127,7 +126,7 @@ var _ RequestFiller = NewRoleCreate()
 type RoleUpdate struct {
 	RoleID  uint64 `json:",string"`
 	Name    string
-	Members []uint64 `json:",string"`
+	Members []string
 }
 
 func NewRoleUpdate() *RoleUpdate {
@@ -166,7 +165,6 @@ func (ro *RoleUpdate) Fill(r *http.Request) (err error) {
 
 		ro.Name = val
 	}
-	ro.Members = parseUInt64A(r.Form["members"])
 
 	return err
 }
diff --git a/system/rest/role.go b/system/rest/role.go
index 057088067..942b2e5fe 100644
--- a/system/rest/role.go
+++ b/system/rest/role.go
@@ -3,9 +3,9 @@ package rest
 import (
 	"context"
 
-	"github.com/davecgh/go-spew/spew"
 	"github.com/pkg/errors"
 
+	"github.com/crusttech/crust/internal/payload"
 	"github.com/crusttech/crust/system/rest/request"
 	"github.com/crusttech/crust/system/service"
 	"github.com/crusttech/crust/system/types"
@@ -44,7 +44,8 @@ func (ctrl *Role) Create(ctx context.Context, r *request.RoleCreate) (interface{
 	if err != nil {
 		return nil, err
 	}
-	for _, userID := range r.Members {
+
+	for _, userID := range payload.ParseUInt64s(r.Members) {
 		err := ctrl.svc.role.With(ctx).MemberAdd(role.ID, userID)
 		if err != nil {
 			return nil, err
@@ -76,7 +77,7 @@ func (ctrl *Role) Update(ctx context.Context, r *request.RoleUpdate) (interface{
 			}
 		}
 
-		for _, userID := range r.Members {
+		for _, userID := range payload.ParseUInt64s(r.Members) {
 			err := ctrl.svc.role.With(ctx).MemberAdd(role.ID, userID)
 			if err != nil {
 				return nil, err
@@ -106,11 +107,10 @@ func (ctrl *Role) MemberList(ctx context.Context, r *request.RoleMemberList) (in
 	if mm, err := ctrl.svc.role.With(ctx).MemberList(r.RoleID); err != nil {
 		return nil, err
 	} else {
-		rval := make([]uint64, len(mm))
+		rval := make([]string, len(mm))
 		for i := range mm {
-			rval[i] = mm[i].UserID
+			rval[i] = payload.Uint64toa(mm[i].UserID)
 		}
-		spew.Dump(rval)
 		return rval, nil
 	}
 }