diff --git a/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/ExampleTest.java b/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/ExampleTest.java
index 4dbdad5591d..b68b95a1674 100644
--- a/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/ExampleTest.java
+++ b/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/ExampleTest.java
@@ -74,6 +74,7 @@ public void testRunWhileTimeout() {
     }
 
     @Test
+    @Tag("flaky")
     public void testSendEvent() throws IOException {
         Context clientContext = helper.createClient();
 
diff --git a/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/delay/DelayManagerTest.java b/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/delay/DelayManagerTest.java
index a480dee9697..b30be6e19d2 100644
--- a/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/delay/DelayManagerTest.java
+++ b/engine-tests/src/test/java/org/terasology/engine/integrationenvironment/delay/DelayManagerTest.java
@@ -5,6 +5,7 @@
 
 import com.google.common.collect.Lists;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -36,6 +37,7 @@ public class DelayManagerTest {
     Time time;
 
     @Test
+    @Tag("flaky")
     public void delayedActionIsTriggeredTest(ModuleTestingHelper helper) throws IOException {
         helper.createClient();
         helper.runWhile(() -> Lists.newArrayList(entityManager.getEntitiesWith(ClientComponent.class)).isEmpty());