diff --git a/java/common/src/main/java/com/cloudera/kitten/ContainerLaunchContextFactory.java b/java/common/src/main/java/com/cloudera/kitten/ContainerLaunchContextFactory.java
index a731c97..f59fcb4 100644
--- a/java/common/src/main/java/com/cloudera/kitten/ContainerLaunchContextFactory.java
+++ b/java/common/src/main/java/com/cloudera/kitten/ContainerLaunchContextFactory.java
@@ -41,7 +41,7 @@ public ContainerLaunchContext create(ContainerLaunchParameters parameters) {
     clc.setEnvironment(parameters.getEnvironment());
     clc.setLocalResources(parameters.getLocalResources());
     if (allTokens != null) {
-      clc.setTokens(allTokens);
+      clc.setTokens(allTokens.duplicate());
     }
     return clc;
   }