diff --git a/src/Runner.Worker/Handlers/CompositeActionHandler.cs b/src/Runner.Worker/Handlers/CompositeActionHandler.cs
index 97ff85982..593846819 100644
--- a/src/Runner.Worker/Handlers/CompositeActionHandler.cs
+++ b/src/Runner.Worker/Handlers/CompositeActionHandler.cs
@@ -68,7 +68,7 @@ namespace GitHub.Runner.Worker.Handlers
             var compositeGitHubContext = new GitHubContext();
             foreach (var pair in githubContext)
             {
-                compositeGitHubContext[pair.Key] = pair.Value;
+                compositeGitHubContext[pair.Key] = pair.Value.Clone();
             }
 
             foreach (Pipelines.ActionStep actionStep in actionSteps)