diff --git a/src/DurableTask.Core/TaskEntityDispatcher.cs b/src/DurableTask.Core/TaskEntityDispatcher.cs
index df7b1bef2..8e6dd7d8d 100644
--- a/src/DurableTask.Core/TaskEntityDispatcher.cs
+++ b/src/DurableTask.Core/TaskEntityDispatcher.cs
@@ -712,6 +712,7 @@ void SendSignalMessage(WorkItemEffects effects, SchedulerState schedulerState, S
                 Id = Guid.NewGuid(),
                 IsSignal = true,
                 Operation = action.Name,
+                Input = action.Input,
                 ScheduledTime = action.ScheduledTime,
             };
             string eventName;