diff --git a/vertx-grpc/src/test/java/io/vertx/ext/grpc/NativeTransportTest.java b/vertx-grpc/src/test/java/io/vertx/ext/grpc/NativeTransportTest.java
index 44ea1a7..ab93434 100644
--- a/vertx-grpc/src/test/java/io/vertx/ext/grpc/NativeTransportTest.java
+++ b/vertx-grpc/src/test/java/io/vertx/ext/grpc/NativeTransportTest.java
@@ -3,7 +3,7 @@
 import examples.GreeterGrpc;
 import io.vertx.core.Vertx;
 import io.vertx.core.VertxOptions;
-import io.vertx.core.impl.VertxBuilder;
+import io.vertx.core.impl.VertxBootstrapImpl;
 import io.vertx.core.spi.transport.Transport;
 import io.vertx.ext.unit.TestContext;
 import io.vertx.ext.unit.junit.VertxUnitRunner;
@@ -35,7 +35,7 @@ private void testInternal(TestContext ctx, Vertx vertx) {
   }
 
   private void assumeNativeTransport() {
-    Transport nativeTransport = VertxBuilder.nativeTransport();
+    Transport nativeTransport = VertxBootstrapImpl.nativeTransport();
     Assume.assumeTrue(nativeTransport != null && nativeTransport.isAvailable());
   }
 }