diff --git a/vertx-pg-client/src/main/java/io/vertx/pgclient/impl/pubsub/PgSubscriberImpl.java b/vertx-pg-client/src/main/java/io/vertx/pgclient/impl/pubsub/PgSubscriberImpl.java
index e3f449a82..a3e7d5e25 100644
--- a/vertx-pg-client/src/main/java/io/vertx/pgclient/impl/pubsub/PgSubscriberImpl.java
+++ b/vertx-pg-client/src/main/java/io/vertx/pgclient/impl/pubsub/PgSubscriberImpl.java
@@ -327,9 +327,9 @@ public ChannelImpl resume() {
       return this;
     }
 
-    // Since Vert.x 3.6.0 : todo
+    @Override
     public ReadStream<String> fetch(long amount) {
-      throw new UnsupportedOperationException();
+      return resume();
     }
   }