diff --git a/vertx-pg-client/src/test/java/io/vertx/tests/pgclient/PgConnectionTest.java b/vertx-pg-client/src/test/java/io/vertx/tests/pgclient/PgConnectionTest.java
index f57a63bd1..91711ebb0 100644
--- a/vertx-pg-client/src/test/java/io/vertx/tests/pgclient/PgConnectionTest.java
+++ b/vertx-pg-client/src/test/java/io/vertx/tests/pgclient/PgConnectionTest.java
@@ -120,9 +120,9 @@ public void testCancelRequest(TestContext ctx) {
         ctx.assertTrue(hasSqlstateCode(error, ERRCODE_QUERY_CANCELED), error.getMessage());
         async.countDown();
       }));
-      ((PgConnection)conn)
+      vertx.setTimer(1000, id -> ((PgConnection)conn)
         .cancelRequest()
-        .onComplete(ctx.asyncAssertSuccess());
+        .onComplete(ctx.asyncAssertSuccess()));
 
       conn.closeHandler(v -> {
         ctx.assertEquals(1, async.count());