diff --git a/shared/management/client/grpc.go b/shared/management/client/grpc.go
index 82ad305a9..50bf36ac1 100644
--- a/shared/management/client/grpc.go
+++ b/shared/management/client/grpc.go
@@ -142,7 +142,9 @@ func NewClient(ctx context.Context, addr string, ourPrivateKey wgtypes.Key, tlsE
 		extraOpts = append(extraOpts, grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxSize)))
 		log.Infof("management gRPC max receive message size set to %d bytes", maxSize)
 	}
-	extraOpts = append(extraOpts, nbgrpc.WithSweeper(c.netMgr))
+	if c.netMgr != nil {
+		extraOpts = append(extraOpts, nbgrpc.WithSweeper(c.netMgr))
+	}
 
 	var conn *grpc.ClientConn
 	operation := func() error {
diff --git a/shared/signal/client/grpc.go b/shared/signal/client/grpc.go
index 37e64b89a..a0bb2f080 100644
--- a/shared/signal/client/grpc.go
+++ b/shared/signal/client/grpc.go
@@ -116,7 +116,9 @@ func NewClient(ctx context.Context, addr string, key wgtypes.Key, tlsEnabled boo
 	}
 
 	var extraOpts []grpc.DialOption
-	extraOpts = append(extraOpts, nbgrpc.WithSweeper(c.netMgr))
+	if c.netMgr != nil {
+		extraOpts = append(extraOpts, nbgrpc.WithSweeper(c.netMgr))
+	}
 
 	var conn *grpc.ClientConn
 	operation := func() error {