diff --git a/management/server/http/handlers/groups/groups_handler.go b/management/server/http/handlers/groups/groups_handler.go
index 0ecea7ec2..39bb3686f 100644
--- a/management/server/http/handlers/groups/groups_handler.go
+++ b/management/server/http/handlers/groups/groups_handler.go
@@ -137,6 +137,8 @@ func (h *handler) updateGroup(w http.ResponseWriter, r *http.Request) {
 			resource.FromAPIRequest(&res)
 			resources = append(resources, resource)
 		}
+	} else {
+		resources = existingGroup.Resources
 	}
 
 	group := types.Group{