diff --git a/server/src/test/java/org/elasticsearch/cluster/NodeConnectionsServiceTests.java b/server/src/test/java/org/elasticsearch/cluster/NodeConnectionsServiceTests.java
index 193cde3180d..a5679153aeb 100644
--- a/server/src/test/java/org/elasticsearch/cluster/NodeConnectionsServiceTests.java
+++ b/server/src/test/java/org/elasticsearch/cluster/NodeConnectionsServiceTests.java
@@ -255,7 +255,7 @@ public class NodeConnectionsServiceTests extends ESTestCase {
 
             // once the connection is unblocked we successfully connect to it.
             nodeConnectionBlocks.clear();
-            connectionBarrier.await(0, TimeUnit.SECONDS);
+            connectionBarrier.await(10, TimeUnit.SECONDS);
             future3.actionGet();
             assertConnectedExactlyToNodes(nodes01);