diff --git a/client/server/network.go b/client/server/network.go
index d310f4da1..1b7962b78 100644
--- a/client/server/network.go
+++ b/client/server/network.go
@@ -36,8 +36,13 @@ func (s *Server) ListNetworks(context.Context, *proto.ListNetworksRequest) (*pro
 		return nil, fmt.Errorf("not connected")
 	}
 
-	routesMap := engine.GetRouteManager().GetClientRoutesWithNetID()
-	routeSelector := engine.GetRouteManager().GetRouteSelector()
+	routeMgr := engine.GetRouteManager()
+	if routeMgr == nil {
+		return nil, fmt.Errorf("no route manager")
+	}
+
+	routesMap := routeMgr.GetClientRoutesWithNetID()
+	routeSelector := routeMgr.GetRouteSelector()
 
 	var routes []*selectRoute
 	for id, rt := range routesMap {
@@ -123,6 +128,10 @@ func (s *Server) SelectNetworks(_ context.Context, req *proto.SelectNetworksRequ
 	}
 
 	routeManager := engine.GetRouteManager()
+	if routeManager == nil {
+		return nil, fmt.Errorf("no route manager")
+	}
+
 	routeSelector := routeManager.GetRouteSelector()
 	if req.GetAll() {
 		routeSelector.SelectAllRoutes()
@@ -165,6 +174,10 @@ func (s *Server) DeselectNetworks(_ context.Context, req *proto.SelectNetworksRe
 	}
 
 	routeManager := engine.GetRouteManager()
+	if routeManager == nil {
+		return nil, fmt.Errorf("no route manager")
+	}
+
 	routeSelector := routeManager.GetRouteSelector()
 	if req.GetAll() {
 		routeSelector.DeselectAllRoutes()